If calf muscle inserted at distance 2X greater than that of

[chckn440]

If a person weighs 200 lbs and the calf muscle is inserted a distance 2 times greater than the distance of the center of gravity of the body from the fulcrum, to lift the body, the calf muscle will need a force (in lbs) equal to ________________ lbs.

A) 400
B) 200
C) 100
D) 50
E) 0.5

 

[stapel]

This sounds like a physics or physiology question. We can try to help you with the math part, but you'll need to provide the other necessary information, such as formulas, etc.

Please be complete. Thank you!