Question
A dagram of hypothetical 40 cm long arm is shown in figure 4.11. for the purposes of answering this question assume that the arm itself
A dagram of hypothetical 40 cm long arm is shown in figure 4.11.
for the purposes of answering this question assume that the arm itself is weighless. if the muscle attached to the arm can contract at a rate of 7.0 cm/s withforce of 15000 N then
a. what is the maximum angular velocityof the arm if the muscle is attached 1 cm from the elbow?
b. What is the maximum weight that can held in the hand if the muscle is attached 1 cm from the elbow?
c What is the maximum angular velocity of the arm if the muscle is attached 3 cm from the elbow?
d. What is the maximum weight that can held in the hand if the muscle is attached 3 cm from the elbow?
shoulder muscle contracts upper arm elbow lower arm
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Essentials of Materials Science and Engineering
Authors: Donald R. Askeland, Wendelin J. Wright
3rd edition
978-1111576868, 1111576866, 978-1285677620, 1285677625, 978-1111576851
