Physics, 28.12.2019 13:31 arieltaylor3924
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. this is possible because the triceps muscle applies an upward force m perpendicular to the arm, as the drawing indicates. the forearm weighs 20.0 n and has a center of gravity as indicated. the scale registers 118 n. determine the magnitude of m.
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In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping t...
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