Chemistry, 07.04.2021 20:10, Jakeandjenn21
A lever consisting of a 1.20 m lever arm and a 45 cm load arm is used to lift a rock. What is the mechanical gain of this simple machine?
Answers: 3
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A lever consisting of a 1.20 m lever arm and a 45 cm load arm is used to lift a rock. What is the me...
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