2. A human biceps(upper arm muscle) may exert a force of the order of 600N (about 135 Ib) on the bones to which it is attached. If the muscle has a cross- sectional area at its center of 50 cm^2=0.0050 m^2, and the tendon attaching its lower end to the bones below the elbow joint has a cross section of 0.50 cm^2=5.0x10^-5 m^2, find the tensile stress in each of these cross sections.

College Physics
11th Edition
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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2. A human biceps(upper arm muscle)
may exert a force of the order of 600N
(about 135 Ib) on the bones to which it
is attached. If the muscle has a cross-
sectional area at its center of 50
cm^2=0.0050 m^2, and the tendon
attaching its lower end to the bones
below the elbow joint has a cross
section of 0.50 cm^2=5.0x10^-5 m^2,
find the tensile stress in each of these
cross sections.
Transcribed Image Text:2. A human biceps(upper arm muscle) may exert a force of the order of 600N (about 135 Ib) on the bones to which it is attached. If the muscle has a cross- sectional area at its center of 50 cm^2=0.0050 m^2, and the tendon attaching its lower end to the bones below the elbow joint has a cross section of 0.50 cm^2=5.0x10^-5 m^2, find the tensile stress in each of these cross sections.
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