Physics, 25.08.2019 19:00 matthi4687

When calculating the mechanical advantage of a lever, what two pieces of information are needed?
a. the mass of the object being moved and the length of the effort arm
b. the length of the effort arm and the length of the resistance arm
c. the length of the resistance arm and the amount of effort needed to move the object
d. the length of the resistance arm and the amount of resistance force that is exerted

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When calculating the mechanical advantage of a lever, what two pieces of information are needed?