During inelastic collision between two bodies, which of the following quantities always remain conserved?
Total kinetic energy.
Total mechanical energy.
Total linear momentum.
Speed of each body
A
Speed of each body
B
Total linear momentum.
C
Total kinetic energy.
D
Total mechanical energy.
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Solution
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The correct option is C Total linear momentum. Since no external forces are acting on the colliding bodies during collision, thus total linear momentum is always conserved in all type of collisions but kinetic energy in not conserved in all collisions.
Kinetic energy is conserved in perfectly elastic collision only but some kinetic energy is lost in inelastic collisions. So, total kinetic energy is not conserved in inelastic collision.
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