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16 November, 07:10

2. What do you need to do to calculate the efficiency of any machine

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  1. 16 November, 07:28
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    Since work is the change in kinetic energy, the efficiency of a machine can be stated as the percentage of the output work divided by the input work minus the work lost from to friction and heat. Multiply Eff by 100% to get the efficiency percentage
  2. 16 November, 07:51
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    Eff = WO/WI

    Explanation:

    Since work is the change in kinetic energy, the efficiency of a machine can be stated as the percentage of the output work divided by the input work minus the work lost from to friction and heat. Multiply Eff by 100% to get the efficiency percentage.
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