A body,whose momentum is constant,must have c | vedclass

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(B) The momentum $p$ of a body is defined as the product of its mass $m$ and velocity $v$,given by $p = mv$.If the momentum $p$ is constant and the ma

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Velocity

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(B) The momentum $p$ of a body is defined as the product of its mass $m$ and velocity $v$,given by $p = mv$.If the momentum $p$ is constant and the mass $m$ of the body is assumed to be constant,then the velocity $v = p/m$ must also be constant.Since velocity is constant,the acceleration $a = dv/dt$ must be zero.According to Newton's second law,the net force $F = ma$ acting on the body must also be zero.Therefore,if momentum is constant,the velocity must be constant.

$A$ body,whose momentum is constant,must have constant

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