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प्रश्न
A pulley system has a velocity ratio of 4 and an efficiency of 90%. Calculate its mechanical advantage.
संख्यात्मक
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उत्तर
Given:
Velocity Ratio (VR) = 4
Efficiency (η) = 90% = `90/100` = 0.9
Formula:
Mechanical Advantage (MA) = Efficiency (η) × Velocity Ratio (VR)
= 0.9 × 4
= 3.6
The mechanical advantage of the pulley system is 3.6.
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