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Expresion for second law of motion |
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Answer» 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∝ Time Changeinmomentum F∝ t mv−mu F∝m( t v−u ) ⇒F∝ma⇒F=kma(∵a= t v−u ) ⇒F=ma(∵k=constant=1) |
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