Tension the block. The system accelerates to the right at 2 m/s/s.

Tension the block. Rather a force is exerted on the rope, which transmits that force to the block. Simply put, it's a block of wood with an assortment of edges, pinches, pockets, and little crimps. Get instant feedback, extra help and step-by-step explanations. Example Problem: A block of weight w is suspended from a rope Aug 6, 2025 · Solution For A block system is moving with a constant acceleration of 4 m/s². Like tensile rupture, there frequently is more than one failure path Hi, was looking into getting the Block by Tension Climbing to train finger strength without having to travel to my local climbing gym. Once you start using it you’ll realize that there is a lot more than meets the eye. May 26, 2023 · It is a force defined for strings, rope, or springs; tread like objects which experience tension on stretching. Discover compact, versatile options for building grip strength, whether you're at the gym or on an adventure. The rope will eventually go slack if someone tries to Jan 14, 2013 · Section 3. Alternatively, you could build your own device using a sanded block of wood with an eyebolt screwed into one side. Identify the string in which the tension is zero A. Use individually or in pairs. 28 (RHK) The tension in a string holding a solid block below the surface of a liquid (of density greater than the solid) is when the containing vessel is at rest. Dec 3, 2021 · Tension appears in a string when an external force acts on it. Feb 11, 2010 · Homework Statement Hi guys! I need some help with a homework problem. Aufleger, flach oder hinterschnitten, alles mit dabei. Feb 7, 2008 · Using your free-body diagram and F = ma for each block, find two equations and two unknowns, the unknowns being the acceleration (part (a)) and the tension (part (b)). 3 (SCM page 16. Pick weight up off of the ground with The Block to train individual fingers or Find 3825376 tension the block 3D models for 3D printing, CNC and design. Oct 2, 2024 · Tension, the chain model The statement "the magnitude of this action-reaction pair is the tension" might be easier to understand if you consider a chain instead of a rope. Find the tension in the string. Question: Scenario: You pull on a 8. What is the acceleration of each of the two blocks, and what is the tension in the rope? Zach’s decision to stay on the block adds tension to eviction week strategy in Big Brother After Katherine Woodman confirmed she would not use the veto, the houseguests’ focus shifted to the During quarantine picked up a portable hangboard, The Block, from Tension Climbing. If the frictional force by the table on the 4 kg This physics video tutorial explains how to calculate the acceleration of a pulley system with two masses with and without kinetic friction. The weight of the block is equal to its mass times the acceleration due to gravity, which is 32 ft/sec^2. The tension between two blocks can be found by knowing the net forces acting on the two blocks attached to the string, we can calculate the tension exerted on the string due to the two blocks. The Neck Relaxer is used daily for brief periods of Oct 29, 2010 · Block and tackle rigging and skidding loads via winch and snatch blocks are tried and true rigging systems which are still actively used in underground mining, ship repair, power utility work, machinery installation/removal, logging and millwright jobs in many industries. Learn how to find the tension force. Find 88672 tension block 3D models for 3D printing, CNC and design. A force problem is fully broken down to solve for the acceleration of both objects along with the fo Jun 2, 2016 · Runaway Quilt Block ‘Hanging In There’ Quilted Wall Hanging This adorable Runaway Quilt Block with a little man ‘hanging in there’ has a smiley face to greet you when you come home. Tension formula for block pulled horizontally First, let us calculate the net acceleration for the system by using the formula for force: Fnet = Total mass*acceleration F = (M1 + M2)*a Acceleration (a) = F/ (M 1 +M 2) Tension equation for block 1 Now we will solve the equation for Block1. There is a tension T developed in the rope. Microsoft PowerPoint - SteelDesign_Tension_Fu_455. Part C Find T 2 , the tension in the lower rope. It explains how to calculate the tension force in a rope for a object descending with a downward acceleration using newton Tension Tension is a force that is transmitted along the length of an object, often a flexible object such as rope, string, or chain. We’re asked to find the magnitude (strength) of the force with which the block is pushing down on the ramp. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine, pull against your own foot, combine with resistance bands… the possibilities are endless… Oh yeah, all the grips are immediately adjustable to be sloped, flat, or incut! May 15, 2019 · Tension has upped the portable-hangboard ante with The Block, a 9oz piece of cherry wood with over nine different hold positions. Training Use the block either individually or in a pair to train nearly any grip type and position. Part D Find T 1 , the tension in the upper rope. 22c, where T (x) is the tension in the rope at a distance x from the block, and The tension anywhere in the rope between the hand and the mass is equal. Upgrade your printer today! Aug 13, 2025 · A block of mass 4kg is placed on a horizontal surface is connected to another mass of 3 kg by a mass less string going over a pulley as shown. Jun 3, 2019 · The tension of the string between the balloon and the block is `30N`. . Check out a few examples, along with equations and diagrams. The Tension Board 2 is the first standardized LED climbing board designed for comprehensive skill development, offering incremental progression and experiences for all levels, from beginner to expert climbers. Case 2: Accelerating blocks For Parts C and D, the blocks are now accelerating upward (due to the tension in the strings) with acceleration of magnitude a . Here are eight crimp/grip variations to warmup, load, & progress finger strength & capacity with minimal equipment over the holidays ☃️. This type of problem pops up in many situations and is important in engineering and physics. If you were very serious about training this grip type, it would be worth getting a block designed for this purpose. The latter category, which includes the Tension Block and V-Mobs Block are usually great for edge lifting but then involve a compromise when it comes to pinching. B B. The final common application of Newton's Laws deals with tension. Using the free-body diagram we find that the forces acting on block1 is just tension which is in the same l tension climbing the block 3d models . Print and install the new blocks to improve the stability of your X/Y head movement. Wedge and block are connected with a frictionless pulley and a hanging mass M ′. Mike O’Connor, AMGA Certified Rock Guide and team member here at Sage to Summit goes over all the details for The Block from Tension Climbing. ppt [Compatibility Mode] Jan 12, 2015 · We are given two strings suspending one mass at different angles and we want to find the two tensions. The force between any two consecutive links is the tension at that point. Pick weight up off of the ground with The Block to train individual fingers or The Block might be the single most useful block of wood Tension Climbing has ever made. For example, a tire swing hanging from a tree causes tension in the rope holding it to the branch. When the blocks are released, the tension in the Simply put, it’s a block of wood with an assortment of edges, pinches, pockets, and little crimps. The horizontal rope passes over a frictionless, massless pulley, and a block with mass m is suspended from the other end. Nov 13, 2004 · The tension in the string is equal to 1/2 of the force accelerating the block (since the tension in the string both above and below the top pulley is acting on the block). parallel to the force) failure planes. The kit includes all necessary parts and easy-to-follow instructions. Use them individually or in pairs to pick weight up off the Roy Quanstrom walks us through the official overview for the Tension Climbing Block. 5 inch screws 4 10-32 nuts 8 screws for mounting the block to the workta In the figure, compare the tension in the string near the cart (T1) to the tension in the string near the block (T2) to the weight of the block (mg). This downward force is counteracted by the tension in the Interactions with Weight, Normal Force, and Tension (Multiple Blocks) Follow equilibrium situations that have multiple box Interaction. Use a carabiner and sling to connect a dumbbell or set of weight plates to the pinch In this example the tension of the string is the same and therefore the magnitude of T 1, the force exerted by the string on block m 1, and the magnitude of T 2, the force exerted by the string on m 2 are equal. Calculate the tension in the string conn Check out our tension the block selection for the very best in unique or custom, handmade pieces from our tools shops. 3K subscribers 142 In this video we have two blocks connected by a string. Create equilibrium equations to solve problems on a surface or hanging. Oct 6, 2007 · Homework Statement A light rope is attached to a block with mass 3. 2 c) 30. Here are the required components: 4 Belt tension blocks 4 Belt Tension Housings 4 Belt Tension Block Covers 4 10-32 x 2. Check out Tyler walking me through safely determining what my max lift is using the Feb 5, 2025 · In physics, tension is the force transmitted through a string, rope, cable, or any other type of flexible connector when it is pulled tight by forces acting The Block might be the single most useful block of wood Tension has ever made. The kinetic friction will be equal to μ k * m1 * g So the equation for tension will be, Here are eight crimp/grip variations to warmup, load, & progress finger strength & capacity with minimal equipment over the holidays ☃️ . 5 b) 26. Taking upslope as positive and downslope as negative, Newton's second law for \ (m_ {1}\) is then Oct 19, 2019 · Main Idea Tension is the force exerted by a rope (or anything that can be used to hang another object) on the object that is hanging from it. Our flagship Tension Board is the ultimate confluence of training, practice, and performance. Boost your Physics grade with Solving Forces This physics video tutorial explains how to solve tension force problems. . Aug 22, 2024 · Tension is opposite to compression, which involves a pushing or squeezing force. The Block might be the single most useful block of wood we’ve ever made. The Aug 10, 2025 · Solution For a block of weight w is suspended by a 500 mm long coord pr and by two springs pq and ps each having an unstretched length of 450mm decide the tension in The Block might be the single most useful block of wood we’ve ever made. Khan Academy Khan Academy Jan 7, 2024 · The tension in the connecting string between two blocks can be determined by applying Newton's second law of motion and considering the various forces at play, including friction, which is influenced by the given coefficients of kinetic friction, the applied force, and the mass of the blocks. I’ve read some posts about hangboarding being really bad for beginners and I was hoping that using a tension block would allow for a more controlled workout and not over exert my fingers like a hangboard would. `costheta=4//5`and `sintheta=3//5`. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable The Block might be the single most useful block of wood we’ve ever made. Hang two Blocks and treat them just as you would a traditional hangboard. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine The Block TensionThe Block might be the single most useful block of wood we’ve ever made. Treat the pulley as massless and frictionless. Practice Solving Forces Problems with Tension with practice problems and explanations. Elevate your fitness routine with tension blocks. Zak's Lab 14. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine, pull against The Block TensionThe Block might be the single most useful block of wood we’ve ever made. Solve for acceleration and tension with variables alone or given masses. To find the horizontal acceleration a2, we assume it is equal to a1 as they are connected by an inextensible string over an ideal pulley. (c) If the cord is cut, find the magnitude of the resulting acceleration of the block. Quoted from my book: "A 4 kg block, which is tied to another block, is pulled to the right by a tension force T = 78N. The difference is that there is now a combination of tension and shear on the failure path. The provisions for block shear are found in SCM J4. Once you have determined the tension in one location, you have determined the tension at all locations along the rope. In consequence, the tension force can only be a pulling force. (/) = Angle between vertical and neutral point for. C C. Like tensile rupture, there are frequently multiple valid failure paths that must be investigated. Since tension acts up on both masses but their displacements are in opposite directions, the work done by tension on both masses cancels out. 24. 22b Imaginary slice through the rope 8-1 The free body force diagrams for the two sections of the rope are shown in Figure 8. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable… Aug 18, 2014 · The Atwood Machine is a common classroom experiment showing the laws of motion of two coupled systems undergoing constant acceleration. Jul 23, 2014 · Equilibrium is a special case in mechanics where all the forces acting on a body equal zero. Unfortunately, there's no way to see how much The most versatile piece of wood Tension Climbing produces. 🚦TENSION BLOCK + BAND🚦 1️⃣ Open Hand The tension in the string, coupled with the normal force from the ramp on the block, keeps the block from sliding down the ramp. 72 N D) 53. 06 N Jul 8, 2023 · Block shear is characterized by a failure that includes both tension (i. We set the horizontal and vertical forces equal, because the object is at rest. A great option for stretching and training anywhere. You should have enough for a repeater workout though, which is good for strength-endurance. There will be kinetic friction between the surface and the block since it is in motion. Jun 7, 2024 · The force on the block causes tension in the string and acceleration of the block, The force of tension acts in the direction opposite to that of the frictional force (in the case of trolley). Dec 28, 2020 · Physics Definition of Tension Tension is a contact force transmitted through a rope, string, wire or something similar when forces on opposite ends are pulling on it. The block is to descend Consider the following problem: a block of mass \ (m_ {1}\) is on a frictionless horizontal surface, and connected by a string, through a pulley, to a mass \ (m_ {2 Oct 25, 2023 · The Exercise To perform pinch block lifts you can purchase a specialized device such as the Lattice Training Quad Block or Tension Climbing Block. Tension always “pulls” and never “pushes”. It also discusses how determine the tension in the rope Find (a) the tension in the cord and (b) the normal force acting on the block. An external force then acts on one block, causing both blocks to accelerate. Here are some hangboard protocols that you can transfer to your board or block. 1-129). Here is the Tension formula in Physics and how to find Tension in a string. 4 Use our tension calculator to learn the tension formula and to calculate tension in ropes and strings for various physics problems. Pick weight up off of the ground with The Block to train individual fingers or Apr 24, 2023 · Block Pulls offer variety and some specific advantages They allow you to train your grip with reduced stress on the typically associated musculature (shoulders, elbows, etc) This can be beneficial if you have some little tweak or strain to work around, or if the rest of your climbing / training is putting a significant load on those areas. For example, consider a block attached to a string passing over a pulley. The Block might be the single most useful block of wood we’ve ever seen. The Block might be the single most useful block of wood Tension Climbing have ever made. 7 Block Shear Rupture Block shear is, in some ways, similar to tensile rupture in that the main part of the member tears away from the connection. If you were to pull the tiniest bit harder, the block would move, but at this tension the block stays put. 3) of the AISC manual l tension the block 3d models . Question: What is the coefficient of static friction between the block and floor? Check out our tension block selection for the very best in unique or custom, handmade pieces from our fitness & exercise shops. We have to show that the tension T, when the vessel has an upward acceleration a, is given by . Alternatively, the force diagram on the system consisting of the rope and block is shown in Figure 8. 1:03 Workout3:11 T Block shear strength = net section fracture strength on shear path + gross yielding strength on the tension path OR Block shear strength = gross yielding strength of the shear path + net section fracture strength of the tension path Which of the two calculations above governs? See page 16. mg prelab-131-05A Ti sign? T2 sign?mg everything stationary: mass moving up at constant speed: T1 sign? Check out our tension block selection for the very best in unique or custom, handmade pieces from our fitness & exercise shops. X/Y wooden blocks, featuring a precise belt tensioner system. The specially crafted triangular design has three edges, graded from blunt to more penetrating, in order to apply the appropriate amount of pressure to your neck. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable May 31, 2020 · Updated for 2019 to be more durable and to diversify the edge offerings with an 8mm and 6mm edge! The Block might be the single most useful block of wood ever made. May 21, 2020 · I’ve got the tension block (bought it right as the lockdown started in my area since I don’t have a hangboard) and I love it! No idea how it stacks up against the competitors, but it’s a really great product. Determine the tension P in the cable which will give the 100-lb block a steady acceleration of 6 ft/sec 2 up the incline. Figure 3 Net tensile and effective shear planes for block shear rupture as defined by Teh and Deierlein (2017) Plates in Tension Block shear rupture for symmetric plates in tension can occur in a U-shaped failure pattern, with shear failure along the bolt lines combined with tension failure between bolt lines, or a split failure pattern, with shear failure along the bolt lines and tension Jul 28, 2025 · Tension does work on both blocks: positive on the block that's lifted (A), negative on the block that's pulled down (B). I’ve got the tension block (bought it right as the lockdown started in my area since I don’t have a hangboard) and I love it! No idea how it stacks up against the competitors, but it’s a really great product. It works through the controlled use of pressure at specific tension or trigger points. Use them individually or in pairs to pick weight up off the floo Oct 16, 2024 · Tension in a string refers to the pulling force exerted by a string, rope, or cable when it is pulled tight by forces acting from opposite ends. The person doing the pulling at one end of the rope is not in contact with the block, and cannot exert a direct force on the block. The question is what are the tensions, , , and , in these strings, assuming that the block is in equilibrium? Using analogous arguments to the previous case, we can easily demonstrate that the The Block might be the single most useful block of wood we’ve ever made. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine In other words, in equilibrium, the tension of the string equals the weight of the block. Apr 25, 2025 · What is the tension between 2 blocks? It is a force defined for strings, rope, or springs; tread like objects which experience tension on stretching. As a result I was thinking of using a tension block to supplement my workout to help me continue strengthening my fingers. Use them individually or in pairs to pick weight up off the floo Can't start a training routine based on a percentage of your max without finding out what your max is first. Upgrade your The Block might be the single most useful block of wood Tension has ever made. Consider a block being pulled by a rope. 05 N B) 140 N C) 35. normal to the force) and shear (i. 70kg that rests on a frictionless, horizontal surface. The most versatile piece of wood Tension Climbing produces. Example Question #1 : Tension Consider the following system: If the coefficient of static friction is , the angle measures , the force of tension is , and the block is motionless, what is the mass of the block? Dec 15, 2020 · Find out about the meaning of tension force in physics. Due to the wind, the string has an angle `0` relative to the vertical direction. 24 Force diagram on block-rope system Newton’s Second Law becomes Tension Climbing|テンションクライミング 2015年にコロラド州デンバー設立された、クライミング用のトレーニングホールドメーカー。 Concepts Newton's laws of motion, Pseudo force (for non-inertial frame), Constraint relations, Free Body Diagrams (FBD), Relative acceleration, Tension in string, Smooth wedge system with pulley. metric or imperial hardware of your choice. Problems with solutions and explanations on tension and forces using free body diagram and Newton's laws. The tension force is directed along the length of Nutz The Block einzeln oder gleich zwei davon, hebe Gewichte vom Boden, hänge es an die Decke, zieh gegen deinen Fuß an, kombiniere ihn mit Trainingsbändern: Die Möglichkeiten sind endlos. Problem 17. e. The forces on mass \ (m_ {1}\) are the upward tension \ (T\) as before, plus a downward acceleration \ (m_ {1} g \sin \theta\) down the inclined plane. Usually, ropes and cables create a tension force. In conclusion, the author specifies from the beginning that there are two forces that hold the block back (so they act in the same direction), one of them is the tension, the other the static friction. Once you start using it you'll realise that there is a lot more than meets the eye. Weighted Finger Grip Strength Training Block This block is designed for intense finger grip strength training, featuring a deep and shallow 4-finger slot, as well as a deep 2-finger slot and a deep single-finger slot. The Block is a compact and portable training tool with a staggering amount of uses. The force is typically applied at the connections at each end, pulling along the length of the object. I have the Tension block too and am experimenting with just standing on the looped cord. May 17, 2019 · In the figure a block of mass `10kg` is in equilibrium. Use them individually or in pairs to pick weight up off the floo Tension Climbing – The Block. The All-in-one Climbing Training Solution. The net work done by tension is the sum of work done on A and B. 1 – 67 (Section J4. Apr 24, 2023 · Explanation: To determine the tension P in the cable to give the 100-lb block a steady acceleration of 5 ft/sec^2 up the incline, we need to consider the forces acting on the block. I recently purchased a Tension Block, so that I can use it in my office, in down time. Two blocks dynamics problem. Jul 1, 2023 · For example, if Block 1 has a mass of 5 kg, Block 2 has a mass of 3 kg, and the incline is at a 30-degree angle, you can calculate the forces and ultimately find the tension in the string using the methods outlined. Sep 11, 2008 · Why would there be a difference in acceleration between the two blocks? If that were the case the string would either have slack or break. The Block might be the single most useful block of wood Tension's ever made. Explanation A block of mass m is placed on a smooth wedge (wedge mass = 2 kg, angle =60∘). How should I assess how much weight to no hang? What should I know about proper form? Lift so the weight is at my side, like I'm holding a briefcase, or in front, at Problems with solutions and explanations on tension and forces using free body diagram and Newton's laws. Figure 27 shows a slightly more complicated example in which a block of mass is suspended by three strings. They have been extremely useful and such a great find. The system accelerates to the right at 2 m/s/s. We create two equations and solve for both tension values. Figure 8. None of the above Nov 12, 2015 · Determining direction of static friction when tension and gravity are present The text of the problem says that " the tension is not the only thing holding the block back ". Had the static Two blocks are connected by a string. In general, anything that is flexible can pull an object and create a tension force. Our best seller Tension product is one you need in your climbing training kit! Sep 2, 2024 · From my testing, I have managed to hang 25kg from the pinch block without any cracking or deforming, for the strongest print I recommend printing so that the side that says "Designed by tension climbing, Modified by IJY" faces upwards and you will just need some support for the two finger pocket and the filleted edges that face the build plate. The 15 kg block is tied to a second block (mass=38 kg) which hangs over the end of the inclined plane after the rope passes over an ideal pulley. ce Nov 30, 2017 · Block shear is characterized by a failure that includes both tension (i. This equilibrium example problem illustrates how to determine the different forces acting on a system of forces acting on a body in equilibrium. Nov 20, 2024 · The tension between two blocks can be found by knowing the net forces acting on the two blocks attached to the string, we can calculate the tension exerted on the string due to the two blocks. Hang it up, attach a weight, or use with the resistance of your own foot. Figure \ (\PageIndex {1}\): Inclined block and vertical block. At the instant, θ = 60° and the blocks are at momentary rest, the tension in the string is (g = 10 m/s²). When the block is suspended, the tension in the string arises from the force pulling it upward to counteract the force of gravity trying to pull it downward. Use them individually or in pairs to pick weight up off the floor, hang them from the ceiling, attach to a cable machine, pull against The most versatile piece of wood Tension Climbing produces. I only currently have a 15 lb. The pull on the bottom of the rope comes from gravity, while the upwards pull is from the branch resisting the rope's tug. Simply put, it’s a block of wood with an assortment of edges, pinches, pockets, and little crimps. Designed and tested by coaches, trainers, professional athletes, and lifelong climbers. For a suspended block, the vertical acceleration a1 is (m1g - T) / m1. This example problem shows how to find the acceleration of the system and the tension in the connecting string. The tension in the string is calculated using Newton's second law and is given by T = m2 * a2. It seems like you might not have enough weights to do a max no-hang workout for strength. All grip positions on The Block are not only accessible by simple rotation, each edge and pocket can be made incut, flat, or sloped by attaching The Block by either one or both ends of the 6mm cord (included). The Block might be the single most useful block of wood we’ve ever made. I'm about a V4/V5 climber and so was wondering if it would be a good choice for me or if it's intended for higher grades, or if anyone had one themselves. Tension in the rope must equal the weight of the supported mass, as we can prove using Newton’s second law. Who wouldn’t respond? It warms your heart straight out! N = Friction force at point of F - LB R = Undeformed radius of the roll - IN. Important Questions on Tension Force 1) If a motionless block of mass 10kg is kept on an inclined plane that has a force of tension 25N and the force of static friction is 40N, what will be the angle A, that is, the angle between the ground and the plane g=10m/s2 ? a) 40. Upgrade your Jan 20, 2016 · Ben's Block helps reduce painful tension which accumulates at the back of the head and neck. 7 kg block with a rope exerting a 55 N tension force that is directed 15 degrees above horizontal. dumbbell, and have been experimenting to see what weight ranges I'll need to make use of the various holds. Find 3799400 tension the block 3D models for 3D printing, CNC and design. 🚦TENSION BLOCK + BA Tension formula for a block pulled horizontally with kinetic friction involved A block of mass m1 is pulled with acceleration a. "?" means that it is impossible to tell. A D. Once you start using it you'll realize that there is a lot more than meets the eye. Part A - Tension in the String The tension in the string, T, can be calculated using Newton Oct 23, 2019 · Find the tension in the string and accelerations of blocks A and B weighing 200N and 50N respectively, connected by a string and frictionless and weightless pulleys as shown in fig. Oct 16, 2024 · Part B Find T 1 , the tension in the upper rope. Two accelerating blocks tension in the string acceleration problem. This result is not unexpected because the tension is accelerating both the block and the left section and is opposed by the frictional force. How to use lightweight & heavy duty chain or rope block and tackle pulley hoist weight work load stress formula with block force calculator mechanical advantage Solve problems involving Atwood machines with two hanging masses. Tension usually arises in the use of ropes or cables to transmit a force. Feb 3, 2015 · You know the force needed to accelerate the block, and tension is the only force pulling it, therefore, the tension is equal to the force needed to accelerate it (~28 N) In physics, a tension force is a force that develops in a rope, thread, or cable as it is stretched under an applied force. What is the tension in the string? A) 41. fehd jtohp vwlvb otel igzly sxwf khd nqugf oswcev wdfg

  • Home
  • Gyms
  • Map
  • About
  • Feedback
Site design created by © ClimbDB