A man pulls a trolley through a distance of 20 mtrs. On smooth horizontal surface. The handle of the trolley makes an angle of 30. With the horizontal surface the handle of trolley makes an angle of 30 with the horizontal surface . If the force applied by the man is 30N , then calculate the work done in pulling the trolley .
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W=f * cos theeta *s
30 degree value = 0.25
30 * 0.25 * 20
=600 * 0.25
=150.00 joule
rajesh205:
hlii
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The answer would be 6000N... because if the body makes and angle it would multipllyed by f and distance..
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