Assume all bones are massless in this approximation. You hold a dumbell m=22 kg as shown. Distance from elbow joint to muscle attachment rem= 0.023 m Distance from elbow joint to hand reh= 0.3 m What is the torque about the elbow joint due to the dumbell? Nm What is the force provided by the muscle counteract this torque? Briefly explain how you arived at your answers, what physical principles did you use?

Assume all bones are massless in this approximation. You hold a dumbell m=22 kg as shown. Distance from elbow joint to muscle attachment rem= 0.023 m Distance from elbow joint to hand reh= 0.3 m What is the torque about the elbow joint due to the dumbell? Nm What is the force provided by the muscle counteract this torque? Briefly explain how you arived at your answers, what physical principles did you use?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

m
Elbow
reh
Tem
Assume all bones are massless in this approximation. You hold a dumbell m=22 kg as shown.
Distance from elbow joint to muscle attachment rem= 0.023 m
Distance from elbow joint to hand reh= 0.3 m
What is the torque about the elbow joint due to the dumbell?
Nm
What is the force provided by the muscle counteract this torque?
Briefly explain how you arrived at your answers, what physical principles did you use?
Bicep

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