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What Is The Different Between Kinetic Energy And Linear Momentum?

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amber Jhon answered
The energy due to the motion of the moving body is called kinetic energy. Kinetic energy is the total work required to accelerate a body from its rest velocity to final velocity. Suppose, a mass 'm' is moving with a velocity 'v', then the kinetic energy of the body is;

Kinetic energy= 1/2 * mass * square of velocity

K.E = 1/2mv2

The unit of the kinetic energy is joule.

On the other hand, the quantity of motion in a moving body is known as momentum. Momentum is the product of mass and velocity of the body. According to the law of conservation of momentum, the total momentum of a system remains constant unless an external force is applied on the system.

Momentum = mass x velocity

Moreover, the rate of change of momentum in a body is equal to the applied force.

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