4. The efficiency of a machine is always less than 100 percent because (1 point)
a machine can...
Physics, 03.03.2020 00:53 bluedolphin9042
4. The efficiency of a machine is always less than 100 percent because (1 point)
a machine cannot have an IMA (ideal mechanical advantage) greater than 1.
some work input is lost to friction.
the work input is too small
the work output is too great.
Answers: 3
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