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The triceps muscle in the back of the upper arm extends
Chapter 4, Problem 12PE(choose chapter or problem)
The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional boxer exerts a force of 2.00×103 N with an effective perpendicular lever arm of 3.00 cm, producing an angular acceleration of the forearm of 120 rad/s2 . What is the moment of inertia of the boxer’s forearm?
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QUESTION:
The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional boxer exerts a force of 2.00×103 N with an effective perpendicular lever arm of 3.00 cm, producing an angular acceleration of the forearm of 120 rad/s2 . What is the moment of inertia of the boxer’s forearm?
ANSWER:Step-by-step solution Step 1 of 2 The triceps muscle in the back of the upper arm extends the forearm of a professional boxer when he extends his arm, Torque generated due to this force is, Here torque is generated, is the force exerted and is the radius of the lever arm, Substitute, and ,