Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 6 - Force and Motion-II - Problems: 13a



Work Step by Step

To find Ff,max, we need to find the Normal force acting on the crate from the floor. To do this we find all the forces in the vertical direction, which are the weight of the crate and the normal force. Since the crate does not accelerate in the y direction, the two forces balance and so the N = mg = 35kg *9.8 = 343N. Then we are told that the coefficient is 0.37 and so Ff,max = 343N*0.37 = 127N
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