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The applied f...

Question

The applied force F is enough to move, both block A and B together.The frictional force between A nad B does work on A and _ work on B.

A

negative, positive

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B

positive, negative

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C

negative, negative

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D

positive, positive

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Solution

The correct option is A negative, positive
\( \longrightarrow S \longrightarrow \)
fk is the frictional force, S is the displacement and F is the force applied on block A.

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