define the term efficiency of a machine. give 2 reasons for a machine not to be 100% efficient
Answers
Answer:
efficiency of a machine can be defined as the ratio of work output to work input or it is the ratio of work done by the machine on the load to the work done by the effort on the machine
following are the two reasons for a machine not to be 100% efficient 1st the string of the machine if any is not flexible 2nd . the moving parts of the machine are not perfectly smooth or frictionless so there is always a loss of energy in the form of heat.
Explanation:
hope this answer of mine will help you as I am in 11th standard and I have studied the same in the tenth so as much as I can remember I have told you
Answer:
I'm fine
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