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The coefficient of friction between the ...

The coefficient of friction between the block and plank is `mu` and its value is such that block becomes stationary with respect to plank before it reaches the other end. Then which of the following is not correct.

A

The work done b friction on the block is negative

B

the work done by friction on the plank is positive

C

the net work done by friction is negative

D

net work done by the friction is zero.

Text Solution

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The correct Answer is:
A, B, C
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