Chris and Jamie Are Carrying Wayne on a Horizontal Stretcher

Multiple Choice

Chris and Jamie are carrying Wayne on a horizontal stretcher. The uniform stretcher is 2.00 m long and weighs 100 N. Wayne weighs 800 N. Wayne's center of gravity is 75.0 cm from Chris. Chris and Jamie are at the ends of the stretcher. The upward force that Chris is exerting to support the stretcher, with Wayne on it, is

A) 250 N.
B) 350 N.
C) 400 N.
D) 550 N.
E) 650 N.