Using trigonometry, the angle between the floor and the plane of the back is 24.1218 degrees. The horizontal distance from the foot to the hip is 0.7301 meters and to the hand is 1.304 meters.

The forces in the Horizontal Direction are zero. F x = 0

The sum of the forces in the vertical direction are: F Y = F Hand + F Foot - W = 0

The sum of the moments about the foot is M Foot = (0.730m)×W - (1.304m)×F Hand = 0

Because we have cleverly chosen where to place our moment equation, it is the only one we need to solve to determine the force in your hand.

1.304F Hand = 0.730W