Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
guzmanmichelang guzmanmichelang
wrote...
Posts: 295
Rep: 1 0
5 years ago
An athlete holds a 7.5-kg shot put in his hand with his lower arm horizontal, as shown in the figure. His lower arm has a mass of 2.8 kg and its center of gravity (or center of mass) is 12 cm from the elbow-joint pivot. How much force must the extensor muscle (which is M in the figure) in the upper arm exert on the lower arm?


• 100 N

• 1500 N

• 500 N

• 1000 N
Textbook 
College Physics: A Strategic Approach

College Physics: A Strategic Approach


Edition: 3rd
Authors:
Read 53 times
2 Replies
Replies
Answer verified by a subject expert
makeshsvmmakeshsvm
wrote...
Posts: 191
5 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

wrote...
3 years ago
thank you
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  972 People Browsing
Related Images
  
 76
  
 864
  
 127
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 308

Previous poll results: Where do you get your textbooks?