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MCQ
A force of 40 N pulls an object 10 m and does 200 J of work. The angle between the force and the displacement is:
Unit-6 Work and Energy
A 90 degrees
B 45 degrees
C 60 degrees
D 30 degrees
Explanation

cos = W/(F d) = 200/(40 x 10) = 0.5, so the angle = 60 degrees.

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