Differentiate between velocity and momentum
Answers
Explanation:
velocity is the rate of change of position of a body while momentum is mass times velocity of the body. Impacts of both the quantities on a body are completely different. However, the directions of both of them is always same. So, to change the velocity of a body, we always need a force but to change the momentum, we can vary the mass also.
Moreover, the rate of change of velocity with respect to time is equal to acceleration of the body whereas, rate of change of momentum with respect to time is equal to force applied on a body.
Another very important difference between these quantities is that velocity of a body in a closed system is not conserved while momentum of a body in a closed system is conserved.
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acceleration is defined as the rate with which velocity of the object changes during motion.
Velocity is given as the ratio of change in position with time. However, acceleration is the ratio of change in velocity with respect to time