8-39. Determine the slope and displacement at point B. Assume the support at A is a pin and C is a roller. Account for the additional strain energy due to shear if the cross section is a wide flange. Take E = 200 GPa, I = 150(106) mm¹, G = 75 GPa, and assume AC has a cross-sectional web area of A = 2.50(10³) mm². Use the method of virtual work. Problems 8-37/38/39 2 m 16 kN/m B 4 m Da pe

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Laws of Equilibrium

A body is said to be in equilibrium if the system of forces acting on the body tends to keep the body at rest, in other words, there is no translation motion or net torque on the body. Under such conditions, the equilibrium conditions are to be applied to analyze the condition. The branch of mechanics that deals with this condition is known as 'statics'. Under equilibrium, there are no net forces on the body.