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Physics, 19.11.2020 15:40 jamarstand

Figure 1 above shows an athlete's forearm holding a steel ball. The forearm is supported by a contraction of the biceps muscle, which causes a torque around the elbow. Assuming that the tension in the biceps acts along the vertical direction given by gravity and the centre of gravity of the forearm is half of L. What tension must the biceps muscle exert to hold the forearm at the position shown? Sketch and label your free body diagram. (Let L= 33.5 cm, d = 3.8 cm, mass of steel ball = 280 g, mass of the forearm = 2.5 kg)


Figure 1 above shows an athlete's forearm holding a steel ball. The forearm is supported by a contr

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