You're trying to lift a 298 pound object with a first class lever. you're pushing down on one side of the lever 9ft from the fulcrum, and the object is on the other side 2 ft from the fulcrum. assuming no friction (balanced moments), how much force do you have to apply to lift the object?

66.2 lbf

Explanation:

∑τ = Iα

F (9 ft) + (298 lbf) (-2 ft) = 0

F = 66.2 lbf

answer:

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