1) The block on a 60° inclined plane weighs 100 pound and is held by the minimum possible force T as shown in the figure. The coefficient of both static and kinetic friction between the block and the inclined plane is 0.2, and the pulleys are frictionless. Draw the free body diagram (FBD) of the block showing all forces and their directions acting on it. а. b. Compute all unknown forces including T shown in your FBD. Now if you want to move the block upward on the inclined plane by applying minimum possible force T then draw the FBD of the block showing all forces with directions acting on it. C. 60°. d. Now assume the pulleys are stuck (do not rotate any more) and the rope slides over the stuck pulleys as the block moves up. the coefficient of both static and kinetic friction between the pulley surface and the rope is 0.1. Draw the FBD of the block showing all forces with directions acting on the block when the block is pulled upward by the minimum rope force T. For the stuck pulley case give values of all forces in your FBD and the value of T. е. a) 2 (b) 4 (c) 2 (d) 4 (e)

1) The block on a 60° inclined plane weighs 100 pound and is held by the minimum possible force T as shown in the figure. The coefficient of both static and kinetic friction between the block and the inclined plane is 0.2, and the pulleys are frictionless. Draw the free body diagram (FBD) of the block showing all forces and their directions acting on it. а. b. Compute all unknown forces including T shown in your FBD. Now if you want to move the block upward on the inclined plane by applying minimum possible force T then draw the FBD of the block showing all forces with directions acting on it. C. 60°. d. Now assume the pulleys are stuck (do not rotate any more) and the rope slides over the stuck pulleys as the block moves up. the coefficient of both static and kinetic friction between the pulley surface and the rope is 0.1. Draw the FBD of the block showing all forces with directions acting on the block when the block is pulled upward by the minimum rope force T. For the stuck pulley case give values of all forces in your FBD and the value of T. е. a) 2 (b) 4 (c) 2 (d) 4 (e)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 23P: While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch....

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