A pulley system has three pulleys in the fixed block and two in the movable block and if the pulley has an efficiency of 72%, the mechanical advantage of the system is?
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Correct Answer: Option D
Explanation:
Mechanical Advantage = V.R × Efficiency
 = 5 × 0.72
 = 3.6
Mechanical Advantage = V.R × Efficiency
 = 5 × 0.72
 = 3.6