Static friction between two surfaces:

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Question

(D) Static friction is a self-adjusting force that acts between two surfaces in contact when there is a tendency for relative motion but no actual mot

Vedclass · Accepted Answer

Both $(a)$ and $(c)$.

Vedclass · Answer

(D) Static friction is a self-adjusting force that acts between two surfaces in contact when there is a tendency for relative motion but no actual motion has occurred yet.Its primary function is to oppose the tendency of relative motion,thereby preventing the relative motion between the two surfaces.Since it opposes the tendency of motion caused by an external force,it acts in the direction opposite to the applied force.Therefore,both $(a)$ and $(c)$ are correct descriptions of static friction.

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