Asked by Jenna

The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the handles that is directed vertically upward. Consider a rotational axis at the point where the tire contacts the ground, directed perpendicular to the plane of the paper. Find the magnitude of the man’s force for both designs.

there's 2 pictures of a guy with a wheelbarrow and there's 0.400 m on one side of the WL and then 0.200 m between WL and W and then 0.700 m between W and the man with the force (F). the other picture there's 0.600 m between the WL and W and there's 0.700 m between W and the man with the force (F). I've been working on this for an hour I really need help!
Answered by DonHo
I just worked this out, I'm not sure if my figure is right.

Did you guys learn about moment or torque?

Answered by DonHo
Here is my solution, let me know if the figure is correct with your description:

http://i61.tinypic.com/554h2s.jpg
Answered by Jordan
DonHo,

Thank you! That was spot on and was correct. -A physic's student a year later
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