A pulley system has velocity ratio of 3. If it efficiency is 75%, calculate its mechanical advantage. [Assume 1 kgf = 10N, 1 gf = 1000 dynes]

2.25

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4.0

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1.5

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2.5

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Solution

The correct option is A
2.25

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A pulley system has velocity ratio of 3. If it efficiency is 75%, calculate its mechanical advantage. [Assume 1 kgf = 10N, 1 gf = 1000 dynes]

The correct option is A 2.25

The correct option is A
2.25