Your biceps connect your shoulder to your forearm. They are connected offset from your elbow so that when you bend your arm, your biceps apply a torque to rotate your forearm. Estimate the force required by your biceps to do a bicep curl (a type of weightlifting). Remember to include the weight of your arm and the weight itself, each applying their torques at the proper locations. Additional Questions 1. How much more weight could you lift with the same bicep force if your biceps attached at the midpoint of your forearm? At the wrist?
Your biceps connect your shoulder to your forearm. They are connected offset from your elbow so that when you bend your arm, your biceps apply a torque to rotate your forearm. Estimate the force required by your biceps to do a bicep curl (a type of weightlifting). Remember to include the weight of your arm and the weight itself, each applying their torques at the proper locations. Additional Questions 1. How much more weight could you lift with the same bicep force if your biceps attached at the midpoint of your forearm? At the wrist?
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 5P: Two forces F1 and F2 act along the two sides of an equilateral triangle as shown in Figure P11.5....
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