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Is the frictional force always acting in the opposite direction of motion?

Is the frictional force always acting in the opposite direction of motion?

Grade:12

2 Answers

Mujahid Ahmed
42 Points
9 years ago

NO

 

Friction force opposes the Relative Motion between the Contact Surfaces.

For Example, when you walk, Friction force is acting in the forward direction because it opposes the motion of Foot relative to ground ( Which is backward) .

 

Approve if i helped :)

Ram Tiwari
10 Points
8 years ago

most of the times it acts opposite to the direction of "relative motion" but not always

plz approve if it helped :)

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