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What work is performed in dragging a sle...

What work is performed in dragging a sledge horizontal 15 metre by a force of 25 kg wt acting along a line making an angle `60^@` with the ground. Express in Joule.

A

1535 J

B

1640 J

C

1737 J

D

1837.5 J

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The correct Answer is:
D
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