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- A 5 m beam is fixed at one end and pinned at other end. It is loaded a couple M at pinned end. If there is one unit rotation at the pinned connected end, EI = 1800 N.m^21. Which of the following gives the value of couple M in N.m at the pinned end? a. 1444b. 4414c. 4441d. 14142. Which of the following gives the value of vertical reaction at pinned end in N? a. 334b. 434c. 443d. 3443. Which of the following gives the value of moment at fixed end in N.m.? a. 334b. 434c. 443d. 344Only ansewr Question 4 Tension:A = 52.03 lb , Tension:B = 21.96 lb ,Tension:C = 38.4 lbThe degree of the moment diagram of a uniformly distributed load is
- A 5.0m long steel wire has a cross-sectional area of 0.55cm^2. Its proportional limit has a value of 0.0018 times its Young's modulus. Its breaking stress has a value of 0.0065 times its Young's modulus. The wire is fastened at its upper end and hangs vertically. a. How great a weight can be hung from the wire without exceeding the proportional limit? b. How much will the wire stretch under this load? c. What is the maximum weight that the wire can support?In the following figures, a uniform meter stick is pivoted at the middle O. A fixed weight W is loaded on one side and variable weights W1 or W2 or W3 is loaded on the other side in order to balance the stick horizontally in each case. In which case will the reaction force at the support be the least? A) 1 B) 2 C) 3 D) 1=2=3A truss is loaded as shown in the Figure. Assume AE = 10,000N. Which of the following most nearly gives the relative displacement between joints B and D id member BD is removed? ( ans. 8.12 mm ) Which of the following most nearly gives the relative displacement between joints B and D due to two-unit loads acting on joints B and D towards each other? ( ans. 1.02 mm ) Which of the following most nearly gives the axial force in member BD? ( ans. 5.61 N )
- A vertical load of (1.5C) kN is applied on a cantilever truss as shown in Figure 2. The truss is attached to the vertical wall and supported by bearing at A and B. For system stability, the bearing at A and B exerts forces Av, Ah, and Bh. If forces Av and (1.5C) kN make a counter clockwise couple and forces Bh and Ah make a clockwise couple, Solve for the magnitude of supporting forces. Note C= 4740Find the pin reactions at joints a and b both are pin jointsDraw a free body diagram
- Figure Q3 shows a steel bar of diameter 16 mm and length 600 mm subjected to axial forces.If E = 210×103 N/mm2for steel, determine the change in its length.An aluminum [E = 10,000 ksi] control rod with a circular cross section must not stretch more than 0.22 in. when the tension in the rod is 2100 lb. If the diameter of the rod is 0.372 in., determine the maximum length of the rod.9-8kN stress/force on the AB rope holding the base station shown below There are. In order for the net force at point A of this base station to be downward What is the stress/force that should be on the AC rope? A) 5556 N C) 7356 N B) 8200 N D) 3648 N E) 1228 N