The force F, acting in a constant direction on the 19-kg block, has a magnitude which varies with the position s of the block. When s= 0 the block is moving to the right at v = 6 m/s. The coefficient of kinetic friction between the block and surface is μ = 0.3. (Figure 1) Figure F (N) F F = 50s¹/2 s (m) 1 of 1 Part A Determine how far the block must slide before its velocity becomes 15 m/s. Express your answer to three significant figures and include the appropriate units. 8 = LO Submit Value μA Provide Feedback Request Answer Units ? Next >

The force F, acting in a constant direction on the 19-kg block, has a magnitude which varies with the position s of the block. When s= 0 the block is moving to the right at v = 6 m/s. The coefficient of kinetic friction between the block and surface is μ = 0.3. (Figure 1) Figure F (N) F F = 50s¹/2 s (m) 1 of 1 Part A Determine how far the block must slide before its velocity becomes 15 m/s. Express your answer to three significant figures and include the appropriate units. 8 = LO Submit Value μA Provide Feedback Request Answer Units ? Next >

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

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The force F, acting in a constant direction on the 22-kg block, has a magnitude that varies with the position s of the block. When s = 0 the block is moving to the right at v = 6 m/s. The coefficient of kinetic friction between the block and surface is μk= 0.3. Determine how far the block must slide before its velocity becomes 15 m/sm/s. Express your answer to three significant figures and include the appropriate units. Hint 1for Part A. How to approach the problem Use the principle of work and energy for the particle, which states that the particle's initial kinetic energy plus the work done by all the forces acting on the particle as it moves from its initial to its final position is equal to the particle's final kinetic energy. Note that besides force FF shown in the figure, the friction force acts on the block during its motion. Hint 2for Part A. How to find the friction force The friction force is directly related to the normal reaction, which in turn equals…