Question

why is kinetic energy not conserved in inelastic collisions

Answer 1



Energy and momentum are always conserved. Kinetic energy is not conserved in an inelastic collision, but that is because it is converted to another form of energy (heat, etc.). The sum of all types of energy(including kinetic) is the same before and after the collision.

Answer 2

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Inelastic Collision

• The collisions in which the momentum of the system is conserved but the kinetic energy is not conserved are called inelastic collisions.

Reason

• Generally collisions in daily-life are inelastic collisions. The kinetic energy lost in an inelastic collision appears in some other form of energy such as heat, sound, etc.

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