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12 December, 12:44

If you have to apply 40 N of force to a crowbar to lift a rock that weighs 400 N, what is the actual mechanical advantage of the crowbar?

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  1. 12 December, 16:41
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    The AMA is calculated as:

    AMA = force obtained / force applied

    AMA = 400 / 40

    AMA = 10
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