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Displacement time graph of a particle mo...

Displacement time graph of a particle moving in a straight line is as shown in figure. Select the correct alternative (s) :
.

A

Work done by all the forces in region OA and BC is positive.

B

Work done by all the forces in region AB is zero.

C

Work done by all the forces in region BC is negative.

D

Work done by all the forces in region OA is negative.

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The correct Answer is:
B, C
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