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Science Chp. 14.3
14.3 Vocab
| Question | Answer |
|---|---|
| mechanical advantage | the number of times that a machine increases an input force |
| actual mechanical advantage | the ratio of the output force to the input force in a machine |
| ideal mechanical advantage | the mechanical advantage of a machine in the absence of friction |
| efficiency | the percentage of the work input that becomes work output in a machine |