Question
A person holds a 1.60 NN baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1).
A person holds a 1.60 NN baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1). The biceps, attached at a distance of 2.75 cm from the elbow, exerts an upward force on the forearm. Consider the forearm and hand to be a uniform rod with a mass of 1.35 kgkg . Suppose the biceps exert just enough upward force to keep the system in static equilibrium.
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
9th Edition
470469080, 470556536, 470469110, 9780470469088, 9780470556535, 978-0470469118
