cwuUIC 011901
CEMM 203 Quiz I, Spring 2001 011901
NAME:_________________________SSN:_________________________
A tie-down on the deck of a sailboat consists of a bent bar bolted at both ends, as shown
in the figure. The diameter db of the bolts is 1/4 in., the diameter d of the washers is 7/8
in., and the thickness t of the fiberglass deck is 3/8 in. The force P is 600 lb. (a) What is
the normal stress in the vertical portions of the bar? (b) Determine the bearing stress
between the washer and the fiberglass, and the shear stress in the fiberglass.
