Solution Found!
Approximately what magnitude force, FM, must the extensor muscle in the upper arm exert
Chapter 9, Problem 31P(choose chapter or problem)
QUESTION:
Problem 31P
Approximately what magnitude force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 7.3-kg shot put (Fig. 9–64)? Assume the lower arm has a mass of 2.8kg and its CG is 12cm from the elbow-joint pivot.
Figure 9–64
Questions & Answers
QUESTION:
Problem 31P
Approximately what magnitude force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 7.3-kg shot put (Fig. 9–64)? Assume the lower arm has a mass of 2.8kg and its CG is 12cm from the elbow-joint pivot.
Figure 9–64
ANSWER:
Solution 31P
Step 1 of 3
We are required to calculate force exerts on lower arm by upper arm