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A lever has an effort arm that is 8 meters long and the resistance (load) arm that is 1.5 meters long, how much effort is needed to lift a 200 Newton weight? ... A mechanic uses a screw driver with a handle diameter of 1.5” to install a ¼-20 UNC bolt into a mechanical brace. What is the mechanical advantage of the system? ... 10/4/2014 10:32 ... ................
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