12. you want to use a lever to lift a 2000 n rock. the maximum force you can exert is 500 n. draw a lever that will allow you to lift the rock. label the input force, output force, fulcrum, input arm, and output arm. specify measurements for the input and output arms. state the mechanical advantage of your lever.
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12. you want to use a lever to lift a 2000 n rock. the maximum force you can exert is 500 n. draw a...
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