Question: The forearm if Fig. 8-45 accelerates a 3.6 kg ball at 7.0 m/s2 by means of the triceps muscle, as shown. Calculate (a) The torque

The forearm if Fig. 8-45 accelerates a 3.6 kg ball at 7.0 m/s2 by means of the triceps muscle, as shown. Calculate
(a) The torque needed, and
(b) The force that must be exerted by the triceps muscle. Ignore the mass of the arm.

31 cm Axis of rotation (at clbow) 2.5 cn Triceps Imuscle

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