Homework Help: science

Posted by donna on Sunday, February 13, 2011 at 7:42am.

A machine has a mechanical advantage of 2. This means its output force is _____.
a. 0.5 times greater than the input force
b. 2 times smaller than the input force
c. 2 times greater than the input force
d. 2 times more efficient than the input force

science - bobpursley, Sunday, February 13, 2011 at 8:28am
twice

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