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The neutral surface of a beam in the deformed state is referred to as the _______.

Determine the deflection at B that would be caused by the concentrated moment if the middle support was not there. Let M = 16,800 lb·in., a = 66.97 in., b = 49.03 in., and EI = 55 × 106 lb·in.2. Note that b = (a + b)[1 – sqrt(3)/3].

Draw the influence line for the moment at B. What is the line’s minimum value? Let L1 = 3 m and L2 = 11 m.

Using the method of consistent deformations, determine the magnitude of the reaction at A. Let w = 19 kN/m and L = 7 m.

Using the method of consistent deformations, determine the magnitude of the reaction at D. Let w = 25 kN/m and L = 7 m.

Using the method of consistent deformations, determine the magnitude of the reaction at C. Let w = 20 kN/m and L = 7 m.

Determine the reaction moment at A. Let P = 162 lb, a = 53 in., and EI = 182 × 106 lb·in.2.

Draw the influence line for the shear at B. What is the line’s maximum negative value? Let L1 = 3 m and L2 = 13 m.

Determine the reaction force at B. Let w = 19 lb/in., a = 61 in., and EI = 34 × 106 lb·in.2.

Using the method of consistent deformations, determine the magnitude of the reaction at D. Let w = 26 kN/m and L = 8 m.