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 one year ago
a machine of 75 percent efficiency is used to lift a load of 103 newton through a height of 4.8m. How much work is done on the load?
 one year ago
a machine of 75 percent efficiency is used to lift a load of 103 newton through a height of 4.8m. How much work is done on the load?

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Shadowys
 one year ago
Best ResponseYou've already chosen the best response.0work done= change in potential energy in this case. change in potential energy = mgh= 103(4.8) J
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