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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.
The efficiency of a machine is always less than 100 percent because: some work input is lost to friction.
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Asked 2/15/2013 2:43:18 PM
Updated 1/19/2015 1:51:39 PM
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The efficiency of a machine is always less than 100 percent because: some work input is lost to friction.


Added 1/19/2015 1:51:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/19/2015 1:53:39 PM]
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