A pulley system has a velocity ratio of 4 and an efficiency of 90 %. The effort required to raise a load of 300 N by the system is

500.22N

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83.33N

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75.66N

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90.88N

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Solution

The correct option is B
83.33N

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A pulley system has a velocity ratio of 4 and an efficiency of 90 %. The effort required to raise a load of 300 N by the system is

The correct option is B 83.33N

The correct option is B
83.33N