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a machine has an efficiency of 80% ,if the machine is required to overcome a load of 60Newton with a force of 40 Newton calculate its velocity ratio​

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Answer:

The efficiency formula is given by:

Efficiency= Input Work/Output Work

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In our case, output work is the work done against the load, and input work is the work done by the effort.

So, we have:

0.80= Load×Distance/Effort×Distance

Given load = 60N and effort = 40N, we can simplify to get the ratio of the distance:

0.80=60/40=1.5

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