Exercising the Biceps You are designing exercise equipment
Chapter 11, Problem 95(choose chapter or problem)
Exercising the Biceps You are designing exercise equipment to operate as shown in Figure 1140, where a person pulls upward on an elastic cord. The cord behaves like an ideal spring and has an unstretched length of 31 cm. If you would like the torque about the elbow joint to be in the position shown, what force constant, k, is required for the cord?
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