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The force of limiting friction between a body and the surface of contact is `5N` A force of `7N` is applied on the body and the actual motion starts The effective force of friction now is .
A. zero
B. `5N`
C. `7N`
D. `lt5N`

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Best answer
Correct Answer - d
Effective force of friction = dynamic friction which is slightly less than force of limitting friction `(=5N)` .

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