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syhna

  • 3 years 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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  1. Shadowys
    • 3 years ago
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    work done= change in potential energy in this case. change in potential energy = mgh= 103(4.8) J

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