Physics, 21.01.2021 22:00, anayamllr11

A carpenter used a claw hammer to pull a 3cm nail out of a piece of wood. The nail had a resistance of 800N and the carpenter exerted a force of 40N. What was the mechanical advantage of the hammer ?

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A carpenter used a claw hammer to pull a 3cm nail out of a piece of wood. The nail had a resistance...

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