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    Force and mechanical advantage

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    A 1m long crowbar is used to lift a heavy crate. The pivot point is 10 cm from one end.
    a) If 600 N is exerted on one end, what is the upward force exerted on the crate at the other end?
    b) Calculate the mechanical advantage, the ratio of forces.

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    Solution Preview

    Set the sum of torques equal to zero,

    (Torque = force x perpendicular ...

    Solution Summary

    Solution with required equations and explanations. The force and mechanical advantages are calculated. The ratio of forces are given.