A body of mass 10 kg is moving on a horizontal surface by applying a force of 10 N in forward direction. If body moves with constant velocity, the work done by force of fiction for a displacement of 2m is |
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a) |
|
b) |
10 J |
c) |
20 J |
d) |
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A body of mass 10 kg is moving on a horizontal surface by applying a force of 10 N in forward direction. If body moves with constant velocity, the work done by force of fiction for a displacement of 2m is |
|||||||
a) |
|
b) |
10 J |
c) |
20 J |
d) |
|
(a) Since body moves with constant velocity, so. Net force on the body is zero. Here, |