Physics, 24.01.2020 19:31 lanaiheart7

4a. three of your friends are all sitting on one end of a seesaw. the combined weight is 275 n. the length from the fulcrum to your friends is 2.5 m. the rest of the seesaw (from the fulcrum to you) is 4.5 m. what is the ma? what effort force is needed to lift your friends?

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4a. three of your friends are all sitting on one end of a seesaw. the combined weight is 275 n. the...

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