Home Physics Work, Energy, Power and Collision Mix When a body moves with some friction on a su…
Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

When a body moves with some friction on a surface

A
It loses kinetic energy but momentum is constant
B
It loses kinetic energy but gains potential energy
C
Kinetic energy and momentum both decrease
D
Mechanical energy is conserved

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Text Solution

Verified by Experts
The correct answer is:
C

Friction is a non-conservative external force to the system, it decreases momentum and kinetic energy both.

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