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A wrench is a class 2 lever. In a class 2 lever, the load is located between the fulcrum and the effort. In the case of a wrench, the fulcrum is where the wrench makes contact with the object being turned, the load is the resistance of the object to turning, and the effort is the force applied by the user to turn the wrench. This configuration allows for increased force to be applied to the object with less effort from the user.

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ProfBot

1y ago

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