Problem 4.43 Solve Prob. 4.39 if the cord BE is parallel to the rod (alpha = 30

Question

Problem 4.43

Solve Prob. 4.39 if the cord BE is parallel to the rod (alpha = 30 degree). The T-shaped bracket shown is supported by a small wheel at E and pegs at C and D. Neglecting the effect of friction, determine the reactions at C, D, and E when theta 30 degree. The T-shaped bracket shown is supported by a small wheel at E and pegs at C and D. Neglecting the effect of friction, determine the smallest value of theta for which the equilibrium of the bracket is maintained, the corresponding reactions at C, D, and E. Beam AD carries the two 40-lb loads shown. The beam is held by a fixed support at D and by the cable BE that is attached to the counterweight W. Determine the reaction at D when W = 100 lb, W = 90 lb.n. For the beam and loading shown, determine the range of values of W for which the magnitude of the couple at D does not exceed 40 lb ft. Fig. P4.41 and P4.42 Fig. P4.43 and P4.44 Solve Prob. 4.39 if the cord BE is parallel to the rod (alpha = 30 degree). The T-shaped bracket shown is supported by a small wheel at E and pegs at C and D. Neglecting the effect of friction, determine the reactions at C, D, and E when theta 30 degree. The T-shaped bracket shown is supported by a small wheel at E and pegs at C and D. Neglecting the effect of friction, determine the smallest value of theta for which the equilibrium of the bracket is maintained, the corresponding reactions at C, D, and E. Beam AD carries the two 40-lb loads shown. The beam is held by a fixed support at D and by the cable BE that is attached to the counterweight W. Determine the reaction at D when W = 100 lb, W = 90 lb.n. For the beam and loading shown, determine the range of values of W for which the magnitude of the couple at D does not exceed 40 lb ft. Fig. P4.41 and P4.42 Fig. P4.43 and P4.44

Explanation / Answer

a ) 20 lb b) 10 lb

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