GOAL Apply the equilibrium conditions to the human body. Humerus PROBLEM A 50.0-N (11-lb) bowling ball is held in a person's hand with the forearm horizontal, as in Fig- ure 8.13a. The biceps muscle is attached 0.030 0 m rom the joint, and the ball is 0.350 m from the oint. Find the upward force F exerted by the biceps 50.0 N -Biceps Ulna on the forearm (the ulna) and the downward force R exerted by the humerus on the forearm, acting at the joint. Neglect the weight of the forearm and slight deviation from the vertical of the biceps. 0.030 0 m 50.0 N 0.0300 m R 0.350 m -0.350 m
GOAL Apply the equilibrium conditions to the human body. Humerus PROBLEM A 50.0-N (11-lb) bowling ball is held in a person's hand with the forearm horizontal, as in Fig- ure 8.13a. The biceps muscle is attached 0.030 0 m rom the joint, and the ball is 0.350 m from the oint. Find the upward force F exerted by the biceps 50.0 N -Biceps Ulna on the forearm (the ulna) and the downward force R exerted by the humerus on the forearm, acting at the joint. Neglect the weight of the forearm and slight deviation from the vertical of the biceps. 0.030 0 m 50.0 N 0.0300 m R 0.350 m -0.350 m
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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Transcribed Image Text:GOAL Apply the equilibrium conditions to the
human body.
Humerus
PROBLEM A 50.0-N (11-lb) bowling ball is held in a
person's hand with the forearm horizontal, as in Fig-
ure 8.13a. The biceps muscle is attached 0.030 0 m
from the joint, and the ball is 0.350 m from the
joint. Find the upward force F exerted by the biceps
on the forearm (the ulna) and the downward force
R exerted by the humerus on the forearm, acting
at the joint. Neglect the weight of the forearm and
slight deviation from the vertical of the biceps.
50.0 N
-Biceps
Ulna
0.030 0 m
50.0 N
0.0300 m
R
0.350 m
-0.350 m-
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