# circular arc member

## Solution to Problem 512 | Flexure Formula

## Solution to Problem 422 | Shear and Moment Equations

**Problem 422**

Write the shear and moment equations for the semicircular arch as shown in Fig. P-422 if (a) the load P is vertical as shown, and (b) the load is applied horizontally to the left at the top of the arch.

## Solution to Problem 421 | Shear and Moment Equations

**Problem 421**

Write the shear and moment equations as functions of the angle θ for the built-in arch shown in Fig. P-421.