We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90 (see figure below). Triceps muscle Biceps muscle PHYSICS m. CG m, W. Find the force exerted by the biceps muscle when the angle is 135* and the forearm is in a downward position. (Assume that r- 6.0 om, r- 14 cm, r,- 40 cm, m, - 2.0 kg, and m, - 3.4 kg. Enter the magnitude.)

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
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Chapter8: Rotational Motion
Section: Chapter Questions
Problem 85A
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We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90° (see figure below).
Triceps
muscle
Biceps
V muscle
PHYSICS
CG
FET
ma
Wh
CG
Wa
Find the force exerted by the biceps muscle when the angle is 135° and the forearm is in a downward position. (Assume that r, = 6.0 cm, r = 14 cm, r, = 40 cm, m, = 2.0 kg, and
m, = 3.4 kg. Enter the magnitude.)
Transcribed Image Text:We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90° (see figure below). Triceps muscle Biceps V muscle PHYSICS CG FET ma Wh CG Wa Find the force exerted by the biceps muscle when the angle is 135° and the forearm is in a downward position. (Assume that r, = 6.0 cm, r = 14 cm, r, = 40 cm, m, = 2.0 kg, and m, = 3.4 kg. Enter the magnitude.)
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