Question

CRITICAL THINKING A man pulling a bag with force of 15N at angle 60° with horizontal plane. If bag covers a distance of 10m, then work done by the man is A. 50J B. 75J C. 150J D. 100J
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Answer 1

Answer:

B. 75J

Explanation:

Force = 15N

Angle = 60°

Distance = 10m

Therefore horizontal distance covered = 10(cos60) = 10×1/2 = 5m

Which means,

Work done = distance covered × force

= 5×15 = 75J

Thus, work done is 75J.

Hope you will understand it.

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