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Physics, 18.10.2019 22:30 donmak4015

Acompound machine is sued to lift a car. if you apply a force of 60 n to the machine, it lifts the car with a force of 550 n.

a. what is the mechanical advantage of the machine?

b. the machine has an efficiency of 35%. if you perform 1150 j of work, how much useful work does the machine do?

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