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Q.

Is it true that impulse is also known as the change in momentum of a body?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Impulse is also defined as change in momentum of a body.
impulse=force × time 
It is given by the product of force and the time for which the force acts on the body.
From Newton’s second law of motion
 Force=change in momentumtime taken
F × time taken = change in momentum
Which is
 impulse=force × time
The SI unit of impulse is Newton second (Ns).
 
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