KCET · Physics · Center of Mass Momentum and Collision
During inelastic collision between two objects, which of the following quantity always remains
conserved?
- A Total linear momentum
- B Total kinetic energy
- C Speed of each body
- D Total mechanical energy
Answer & Solution
Correct Answer
(A) Total linear momentum
Step-by-step Solution
Detailed explanation
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.
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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