\fdO'^ - Old Forge Coal Mines

21G STRENGTH OF MATERIALS.
c \d
of the problem, b ^= — d.
— b d*^ and, according to the conditions
Therefore, ~=\bd^ = ^d' = 434.424.
d' = 5,213.088
d = nv. I Ans.
b = 81". f
(578) The beam, with the moment and shear diagrams,
is shown in Fig. 50. On the line, through the left reaction,
Fig. bo.
are laid off the loads in order. Thus, 0-i = 40 X 8 = 320 lb.,
is the uniform load between the left support and /', ;
l-'2 is