khatrisandhya072 khatrisandhya072

18-10-2021
Mathematics

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what is velocity ratio of a lever is 3 and efficiency of a pulley is 60%?

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Аноним Аноним

18-10-2021

Answer:

The velocity ratio of a lever is 3 and efficiency of a pulley is 60% means 40% of the energy is lost in the machine due to the friction.

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