16) Two men are trying to push the heavy load on a flat surface,
(a) Suggest ways which will make it easier.
(b) If they move it from right to left in which direction will the force of friction act?
(c) Both of them apply a force of 50 Newton on the heavy load. what is the resultant force.
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The work done by friction is the force of friction times the distance traveled times the cosine of the angle between the friction force and displacement; hence, this gives us a way of finding the distance traveled after the person stops pushing.
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