DA man holds a 178-N ball in his hand, with the arm bone- 22. Upper - rlexor muscle forcarm horizontal (sce the draw- ing). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 22.0 N and has a center of gravity as indicated. Find (a) the magnitude of M and (b) the magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint. Elbow cg joint '0.0890 m -0.330 m- 0.0510 m

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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DA man holds a 178-N
ball in his hand, with the arm bone-
22.
Upper
- rlexor muscle
forcarm horizontal (sce the draw-
ing). He can support the ball in
this position because of the flexor
muscle force M, which is applied
perpendicular to the forearm. The
forearm weighs 22.0 N and has a
center of gravity as indicated. Find
(a) the magnitude of M and (b) the
magnitude and direction of the
force applied by the upper arm bone to the forearm at the elbow joint.
Elbow
cg
joint
'0.0890 m
-0.330 m-
0.0510 m
Transcribed Image Text:DA man holds a 178-N ball in his hand, with the arm bone- 22. Upper - rlexor muscle forcarm horizontal (sce the draw- ing). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 22.0 N and has a center of gravity as indicated. Find (a) the magnitude of M and (b) the magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint. Elbow cg joint '0.0890 m -0.330 m- 0.0510 m
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