Physics, asked by niharikakpop, 4 months ago

derive an expression for second law of motion

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Answered by Anonymous
7

Answer:

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Explanation:

Newton’s second law of motion states that the force exerted by a body is directly proportional to the rate of change of its momentum. For a body of mass ‘m’, whose velocity changes from u to v in time t, when force ‘F’ is applied.

F∝ Change in momentum

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Time

F∝m = mv- mu

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t

F∝m = v - u

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t

⇒F∝ma⇒F=kma (•.• a= v - u. )

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t

⇒F=ma(∵k=constant=1)

Hence Proved !!!!!

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