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The value of the frictional force for a body is always constant when it is static and does not vary with applied force.

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in Physics – Class 11 by (74.2k points)
The value of the frictional force for a body is always constant when it is static and does not vary with applied force.

(a) True

(b) False

I had been asked this question in semester exam.

Query is from Friction in section Work, Energy and Power of Physics – Class 11

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Right answer is (b) False

The best I can explain: Friction is a self-adjusting force and depends on the normal reaction which varies with the applied force. However, the maximum magnitude of the force of friction is limited to the product of the coefficient of friction and weight of the object under static conditions.

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