Determine the components of the reactions at E if a 750-N force directed vertically downward is applied at D. 240 mm 240 mm A В 160 mm 240 mm D E Ex = -450 N, Ey = 150.0 N O Ex = -450 N, Ey = 600.0 N O Ex = 450 N, Ey = 150.0 N O Ex = 450 N, Ey = 600.0 N

10. Determine the reaction at the roller support and draw the bending moment diagram for the beam and loading shown. The beam is W310X21 with E=190GPa and L=6m and load density of 2000N/m A DIOO ·L/2 L/2- IC -L12- B

Determine the reactions at A and B for the beam subjected to the couples and distributed load. At x = 0, the distributed load is increasing at the rate of 9 lb/ft per foot. Assume a = 3 ft, b = 21 ft, w₁ = 230 lb/ft, w₂ = 550 lb/ft, M₁ = 2940 lb-ft, M₂ = 1390 lb-ft. M₁ Answers: A = i B = i W, w | I 1 w = ko+k₁x + ₂x² A b T B lb lb W₂ M₂

5. Determine the reactions at A and B when (a) a= 0, (b) a= 30° (c) a= 90° 12 in. 10 in.- 75 lb 10 in.- B a I