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How is the human arm a lever?

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The human forearm is an application of the third-class lever, the elbow acting as the fulcrum, the weight held in the hand and being lifted as the resistance, and the pull of the muscles between the elbow and the hand as the effort.

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Similar questions: How does the human arm function as a lever? The human arm functions as a lever in what way? Why is the human arm considered a form of lever? [ Hide these questions ]

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