The Z-section of Example D-7 is subjected to M = 5 kN. m, as shown. Determine the orientation of the neutral axis and calculate the maximum tensile stress t and maximum compressive stress c in the...

The Z-section of Example D-7 is subjected to M = 5 kN. m, as shown.

Determine the orientation of the neutral axis and calculate the maximum tensile stress

_t
and maximum compressive stress

_c
in the beam. Use the following numerical data: height h = 200 mm, width b = 90 mm, constant thickness t = 15 mm, and

_p
= 19.2⁰. Use I₁
= 32.6
10⁶
mm⁴
and I₂
= 2.4
 10⁶
mm⁴
from Example D-7.