Biology

Biology, 05.05.2020 20:23, tristan41

write your answer to these questions in complete sentences on a sheet of paper.

draw a first- class lever. show the fulcrum, effort force, and resistance.

draw a second-class lever . show the fulcrum, effort force, and resistance.

draw a three-class lever. show the fulcrum, effort force, and resistance.

what is work input? what is work output?

what does efficiency tell you about a machine?

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write your answer to these questions in complete sentences on a sheet of paper.

draw a f...

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