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Mathematics, 05.05.2020 15:44 chrismeldajbaptiste

A mechanic uses a screw driver to install a ¼-20 UNC bolt into a mechanical brace. What is the mechanical advantage of the system? What is the resistance force if the effort force is 5 lb.

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A mechanic uses a screw driver to install a ¼-20 UNC bolt into a mechanical brace. What is the mecha...
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