Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a force FB, and the book has a mass of 3.8 kg. Triceps muscle 4.0 cm FB Biceps muscle 16 cm- 1₂ m₂ = 2.5 kg CG W₂₁ 38 cm Wa 13 PHYSICS CG W₂ CG W₂

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter3: Force And Motion
Section: Chapter Questions
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Calculate the magnitude of the force in the elbow joint in units of newtons. 

Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a
force FB, and the book has a mass of 3.8 kg.
Triceps
muscle
4.0
cm
16 cm
Biceps
muscle
m₂ = 2.5 kg
CG
Wa
38 cm
L
FB
$
CG
Wa
12
13
PHYSICS
CG
W₂
CG
Wb
Transcribed Image Text:Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a force FB, and the book has a mass of 3.8 kg. Triceps muscle 4.0 cm 16 cm Biceps muscle m₂ = 2.5 kg CG Wa 38 cm L FB $ CG Wa 12 13 PHYSICS CG W₂ CG Wb
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