A man is holding a 2.80-kg ball, as shown in the figure. The distance from the elbow joint to the ball is dball= 32.5 cm, and the distance from the elbow joint to the insertion of the triceps muscle is dM= 2.50cm. The mass of the lower arm, including the hand, is 3.60 kg, and its center of gravity is at a distance dCG= 13.6cm from the elbow joint. 1. Draw a free body diagram of the forearm. 2. What is the magnitude of the force FM, exerted by the triceps? 3. What is the force exerted by the humerus on the elbow joint?
A man is holding a 2.80-kg ball, as shown in the figure. The distance from the elbow joint to the ball is dball= 32.5 cm, and the distance from the elbow joint to the insertion of the triceps muscle is dM= 2.50cm. The mass of the lower arm, including the hand, is 3.60 kg, and its center of gravity is at a distance dCG= 13.6cm from the elbow joint. 1. Draw a free body diagram of the forearm. 2. What is the magnitude of the force FM, exerted by the triceps? 3. What is the force exerted by the humerus on the elbow joint?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A man is holding a 2.80-kg ball, as shown in the figure. The distance from the elbow joint to the ball is dball= 32.5 cm, and the distance from the elbow joint to the insertion of the triceps muscle is dM= 2.50cm. The mass of the lower arm, including the hand, is 3.60 kg, and its center of gravity is at a distance dCG= 13.6cm from the elbow joint.
1. Draw a free body diagram of the forearm.
2. What is the magnitude of the force FM, exerted by the triceps?
3. What is the force exerted by the humerus on the elbow joint?
Transcribed Image Text:d.
“ball
dco
'CG
CG
Elbow
joint
VFM
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