A pulley system has velocity ratio of 3. If it efficiency is 75%, calculate the maximum load it can raise using an effort of 30 N. [Assume 1 kgf = 10N, 1 gf = 1000 dynes]

67.5N

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70N

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60N

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65N

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Solution

The correct option is A
67.5N

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A pulley system has velocity ratio of 3. If it efficiency is 75%, calculate the maximum load it can raise using an effort of 30 N. [Assume 1 kgf = 10N, 1 gf = 1000 dynes]

The correct option is A 67.5N

The correct option is A
67.5N