Questions
The net work done by the tension in the figure when the bigger block of mass M touches the ground is
a
+ Mgd
b
- (M + m)gd
c
- mgd
d
zero
detailed solution
Correct option is D
Work done by tension on M is negative (force and displacement are in opposite directions). But work done bytension on m is positive. Net work done will be zero.Talk to our academic expert!
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A body of mass 300 kg is moved through 10m along a smooth inclined plane of angle 300. The work done in
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