A box is dragged across a floor by a rope which makes an angle of 45° with the horizontal. The tension in the rope is 100N while the box is dragged 10 m. The work done is?
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Ans :- 1000 J
Fcos45 = 100 N
F=100/cos45
W=F.s
Fcos45.s
100.10
=1000J
Fcos45 = 100 N
F=100/cos45
W=F.s
Fcos45.s
100.10
=1000J
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