Write any two factors that affect the efficiency of machine
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The energy that you put into making the machine do work is a product of force and displacement. If you have to go further with your input force, than the object is moved, then your advantage is increased.

The factors that affect the efficiency of machine are

I HOPE I HELP YOU.

prism b but im not for sure

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.