Question: The knee extensors insert on the tibia at an angle of 30 at a distance of 3 cm from the axis of rotation at the

The knee extensors insert on the tibia at an angle of 30 at a distance of 3 cm from the axis of rotation at the knee. How much force must the knee extensors exert to produce an angular acceleration at the knee of 1 rad/s2, given a mass of the lower leg and foot of 4.5 kg and k = 23 cm?

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