Question

A block of mass 10 kg is placed on a rough surface
inclined plane of inclination 37° with horizontal. Now
the block is released. The work done by the gravitational
force and friction force, when the block moves from A to
B (sin 37° = 0.6, cos 37° = 0.8)
(1) 600 J, 160J
(3) 600 J, -160J
(2) -600 J, 160 J
(4) -600 J, -160 J​

Answer 1

Answer:

3)

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