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Change in kinetic energy of the system ...

Change in kinetic energy of the system is equal to

A

Work done by all the forces ( internal and external )

B

Work done by external forces .

C

Work done by internal conservative forces .

D

None of these

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Verified by Experts

The correct Answer is:
A

According to work - energy theroem we know that total work done by all the forces ( internal as well as external ) is equal to change in kinetic energy of the system .
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