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1. A pulley system has efficiency 60%. Calculate mechanical advantage to make its velocity ratio 6 .How much amount of effort is required to lift 3000 N load by using this pulley system?​

1 A Pulley System Has Efficiency 60 Calculate Mechanical Advantage To Make Its Velocity Ratio 6 How Much Amount Of Effort Is Required To Lift 3000 N Load By Usi class=

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Efficiency = Mechanical advantage / Velocity Ratio:

0.60 = M.A./6

MA = 0.6 * 6 = 3.6

The mechanical advantage is 3.6

Mechanical advantage = Force out / Force in

3.6 = 3000/ Force in

Force in = 3000/3.6

Force in = 833.33 N

Answer: 833.33N

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