 # (a) A block with a mass m is pulled along a horizontal surface for a distance x by a constant force F → at an angle θ with respect to the horizontal. The coefficient of kinetic friction between block and table is μ k the force exerted by friction equal to μ k mg ? If not, what is the force exerted by friction? (b) How much work is done by the friction force and by F → ? (Don’t forget the signs.) (c) Identify all the forces that do no work on the block, (d) Let m = 2.00 kg, x = 4.00 m, θ = 37.0°, F = 15.0 N, and μ k = 0.400, and find I the answers to parts (a) and (b). Figure P5.39 ### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300 ### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

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Chapter 5, Problem 40P
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