Foundation
Physics Foundation
Force and Newtons Law of Motion
Question

A horizontal force of 100N acts on a body which is still at rest. What is the force of friction between the body and the floor :

200 N

100 N

150 N

50 N

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Solution

F = 100 N

In this condition Static friction acts between body and floor which is equal to external force till the body is at rest i.e. 100 N.