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Q.

Assertion (A) : Friction is self adjusting force

Reason (R) : The magnitude of static friction is less than the applied force

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a

Both A and R are true but R is not the correct explanation of the A.

b

Both A and R are true and R is the correct explanation of the A

c

A is incorrect, but R is correct

d

A is correct, but R is incorrect

answer is C.

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Detailed Solution

We know friction is self adjusting force,

Before body start moving we get fs=F for F<fms

i.e. frictional force is equal to applied force

So Assertion(A) is true but Reason(R) is incorrect

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