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Work Done in Collision

Displacement ...

Question

Displacement time graph of a particle moving in a straight line is shown.

A

Work done by all forces acting on particle is positive throughout region O-A-B-C because displacement is continously increasing.

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B

Work done by all forces in region AB is zero.

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C

Work done by all forces in region OA is positive.

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D

Work done by all forces in region BC is negative.

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Solution

The correct options are
B Work done by all forces in region AB is zero.
C Work done by all forces in region OA is positive.
D Work done by all forces in region BC is negative.

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