8-2. The bar is supported by a roller constraint at B, which allows vertical displacement but resists axial load and moment. If the bar is subjected to the loading shown, determine the slope at A and the deflection at C. El is constant. 8-3. Determine the deflection at B of the bar in Prob. 8-2. A L 22 P c 22 Probs. 8-2/8-3 B