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28-10-2022
Chemistry

Answered

Samantha builds a lever to lift objects in a science experiment. The load arm is 0.4 meters. If she wants the
lever to have a mechanical advantage of 8, how long should the effort arm be? (1 point)
O 7.6 m
O 0.05 m
O 8.4 m
O 3.2 m

Answer :

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