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Friction

The frictional force developed always acts ________ to surface of application of friction.


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This Chapter Friction consists of the following topics

As in the determination of the various unknown forces in the free body diagram involves the use of vectors. So one of the vector law is commutative law and it is valid for the cross product of two vectors. (Commutative law: PxQ = QxP; for two vectors P and Q)

The frictional force developed always acts ________ to surface of application of friction.

As the free body diagram of the problem statement involves the use of forces. So in them the _______ forces do not cause the rotation.

The frictional force developed always acts ________ to the surface of the application of the friction.

Friction

Engineering-Mechanics