Answers

2016-04-25T12:18:55+05:30
No, work is not done because force is applied on the cart but their is no displacement.
0
The Brainliest Answer!
2016-04-25T13:59:39+05:30
The work done is negative because the force of friction and displacement are acting in the opposite direction.

HOPE U LIKED THE ANSWER :D
1 5 1