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Question

# Statement A: If the force varies with time then the net force is measured by the total change in momentum of the body.Statement B: Change in momentum and impulsive force are numerically equal.

A
A & B are correct
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B
A & B are wrong
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C
A is correct and B is wrong
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D
A is wrong and B is correct
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Solution

## The correct option is D A is wrong and B is correctForce is a rate of change of momentum.Force is measured as rate of change of momentum. It is not equal to change of momentum.F=dMdt or, F⋅dt=dMImpuse of force, J=F⋅dt=dMHence, Change in momentum and impulsive force are numerically equal.A is wrong and B is correct.

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