gomezlisette912 gomezlisette912

22-10-2021
Physics

contestada

The input work on pulley system is 75J. If the pulley system is 84 percent efficient, then what is the output work from the pulley system?

Respuesta :

tonystark2334 tonystark2334

22-10-2021

Answer: 63 J

Explanation: The effiency () of a machine is given by the ratio between the output work and the input work :

Where:

Isolating :

Finally:

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