**For cantilever beam BD**
From Case No. 1 of

beam loading cases, the maximum deflection at the end of cantilever beam due to concentrated force at the free end is given by

Thus,

**For the simple beam AC**

The deflection at distance x from Case No. 7 of different beam loadings is

for

For , the deflection equation will become

For beam AC; P = R_{B}, a = 8 ft, b = 4 ft, and L = 12 ft.

**Solving for the contact force, R**_{B}

**Determining the maximum moment**

The maximum moment on cantilever beam will occur at D

The maximum moment on simple beam will occur at point B.

Maximum moment is at point B

**Solving for maximum flexural stress**

The bending stress of rectangular beam is given by

Thus,

*answer*

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