Correct Answer: Option D

Explanation

Mechanical Advantage = \(\frac{\text{load}}{\text{effort}}\)

Given: mass(m) = 60kg, acceleration due to gravity(g) = 10ms\(^2\) and effort = 40N

Load = m x g = 60 x 10 = 600N

M.A = \(\frac{600}{40}\) = 15

There is an explanation video available below.

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