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Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

The work done in slowly pulling up a block of wood weighing 2 kN for a length of 10m on a smooth plane inclined at an angle of 15º with the horizontal by a force parallel to the incline is

A
4.36 kJ
B
5.17 kJ
C
8.91 kJ
D
9.82 kJ

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Text Solution

Verified by Experts
The correct answer is:
B

W = (2000 sin 15º) × 10 = 5176.8 J

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