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Tori experiments with pulleys in physics class. she applies 70 newtons of force to a single pulley to lift a bowling ball. by adding another pulley, she’d get a mechanical advantage of 2. what’s the minimum input force she’ll need to lift the ball if she adds another pulley?
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Tori experiments with pulleys in physics class. she applies 70 newtons of force to a single pulley t...
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