# Math Help - Help! No idea whatsoever!

1. ## Help! No idea whatsoever!

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

2. Originally Posted by 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
class 1 lever ...

$F_1 \cdot D_1 = F_2 \cdot D_2$

3. Thanks for the response. Pardon my stupidity, but im still not sure how to answer the problem, so a solution solved up to the problem's end would be appreciated.