Identity the correct statement about work energy theorem.

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Work done by all the conservative forces is equal to the decrease in potential energy

Work done by all the forces except the conservative forces is equal to the change in mechanical energy

Work done by all the forces is equal to the change in kinetic energy

Work done by all the forces is equal to the change in potential energy

answer is B, C, A.

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Detailed Solution

Work done by all conservative force= $- ∆$ U
Work done by all the forces= $∆$ K
Work done by forces other than conservative forces= $∆$ E

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