First slide

Work

Question

When a body moves with some friction on a surface

Moderate

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

Solution

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

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App