Which of the following statements are correct regarding linear momentum of a body?
A
It is a measure of quantity of motion contained by the body.
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B
Change in momentum is the measurement of impulse.
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C
Impulse and acceleration act in same direction to the change in momentum.
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D
Incase of uniform circular motion, the linear momentum is conserved.
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Solution
The correct options are A It is a measure of quantity of motion contained by the body. B Change in momentum is the measurement of impulse. Momentum, P = Mv
So, it gives quantity of motion. Option A is correct.
By Newton's second law,
Ft = mv-mu, So option B is correct.
The direction of impulse can be opposite to that of change in momentum. Option C is wrong.
The Uniform circular motion is accelerated motion. So, momentum is not conserved.