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What is meant by the efficiency of a machine is 80%​
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What is meant by the efficiency of a machine is 80%​

User Dhiraka
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Answer:

It means that the total energy produced by the machine is 80 percent and remaining 20 percent is wasted in the term of heat deu to friction.

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User Hjl
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Answer:

It means that 80% of our effort is converted to useful whereas 20% of our effort is wasted to overcome frictional and gravitational force.

User Dwurf
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