Physics, 05.04.2021 16:30 armon15

A construction worker uses a board and log as a lever to lift a heavy rock. He applies a force of 20 without the use of the lever, however with the lever, he applies a force of 10 N. What is the mechanical advantage

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A construction worker uses a board and log as a lever to lift a heavy rock. He applies a force of 20...

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