First slide

Work done by Diff type of forces

Question

The net work done by the tension in the figure when the bigger block of mass M touches the ground is

Moderate

A

+ Mgd
B

$-$ (M + m)gd
C

$-$ mgd
D

zero

Solution

Work done by tension on M is negative (force and displacement are in opposite directions). But work done by
tension on m is positive. Net work done will be zero.

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