Theory of Structures

d constant, the width of a cantilever of length l of uniform strength loaded with Keeping the depth a uniformly distributed load w varies from zero at the free end and________________?

by
d constant, the width of a cantilever of length l of uniform strength loaded with Keeg the depth a uniformly distributed load w varies from zero at the free end and________________?

A. (2w/ × l² at the fixed end
B. (3w/ × l² at the fixed end
C. (3w/ × l² at the fixed end
D. (5w/ × l² at the fixed end

A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)_________________?

by
A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)_________________?

A. BD² + mbd²)/6D]
B. BD3 + mbd3)/6D]
C. BD² + mbd3)/4D]
D. BD² + mbd²)/4D]

Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F, and elasticity stress and the depth of the neutral axis at section, then________________?

by
Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F, and elasticity stress and the depth of the neutral axis at section, then________________?

A. M/I = R/E = F/Y
B. I/M = R/E = F/Y
C. M/I = E/R = E/Y
D. M/I = E/R = Y/F