6-64 Bar AB of Fig. mass of 25 kg, and a length of 1 m. Determine the angle e for equilibrium. has a uniform cross section, a B 45° 30
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A: Answer: Option (C): T = 7646 N, FBx = 3823 N , FBy = 4169 N
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Q: Q1/ In the equilibrium position shown in figure below, the uniform bar (AB) has a mass of (50 kg)…
A: Answer: ◆ T = 7646 N , FBx = 3823 N , FBy = 4169 N. ◆ Therefore, option (C) is correct.
Q: Q1/ In the equilibrium position shown in figure below, the uniform bar (AB) has a mass of (50 kg)…
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- , Solve the preceding problem using the numerical data: /) = 90mm, h = 280 mm, d = 210 mm, q = 14 kN/m, and L = L2 m.The three-bar truss in Fig. a is subjected to a horizontal force of 5 kip. If the cross-sectional area of each member is 0.20 in2, determine the horizontal displacement at point B. E = 29(103) ksi.(i) A homogeneous prismatic bar hangs from a ceiling verticallydownwards under its own weight. The bar has density,?,Length, L and cross-sectional area, A. Show that the total elongation of the bar is given by Eq. (1):
- A uniform bar of length L, cross-sectional area A, and unit mass p is suspended vertically from one end. Show that its total elongation is 8 - pgl / 2E. If the total mass of the bar is M, show also that o - MgL/2AE.The uniform 44 kN bar BC is supported by a pin at C and the aluminum wire AB. The cross-sectional area of the wire is 178.5 mm2. Assuming bar BC to be rigid, find the vertical displacement of B due to the weight of the bar. Use E = 71 GPa for aluminum. Anwer must be in mm.Two members AB and AC are made of material with E= 138 Gpa and each member has cross sectional area of A= 346 mm2. The members are used to support bar BC. If P=1917 N, L1= 242 mm , L2= 373 mm and L3= 459 mm . Answer the following questions. The tension in member AB? The tension in member CD? The elongation in member AB? The elongation in member CD? Vertical displacement of point E?
- The set shown in the figure consists of an aluminum ABC tube, with section AB having a diameter of 20mm and section BC having a diameter of 60mm. Knowing that the load P has a magnitude of 4 kN, determine:The. The value of the load Q so that the displacement of point A in relation to C is zero; B. The total deformation value, when Q = 2kN.Data: E = 70 GPaA 37.5-mm-diameter rod 6 mlong elongates 12 mm under a load 236 KN. Thediameter of the rod decreases 0.025 mm during theloading. Determine the following properties of thematerial: (a) Poisson’s ratio.(b) Young’s modulus(c) The modulus of rigidity.The rigid bar AB, attached to aluminum and steel rods, is horizontal before the load P=140 kN is applied. Find the vertical displacement of point C (in mm) caused by the load P. LA=2,9 m; LS=3,48 m;AA=290 mm2; AS=464 mm2;EA=70 GPa; ES=200 GPa;L1=2 m; L2=1,6 m;
- The assembly below consists of a steel rod CB and an aluminium rod BA, each having a diameter of 12 mm. If the rod is subjected to the axial loadings at A and at the coupling B, determine the displacement of the coupling B and the end A. The unstretched length of each segment is shown below. Neglect the size of the connections at B and C, and assume that they are rigid. Est = 200 GPa, Eal = 70 GPa.An aluminum pole for a street light weighs4600 N and supports an arm that weighs 660 N (seefigure). The center of gravity of the arm is 1.2 m from theaxis of the pole. A wind force of 300 N also acts in the (-y)direction at 9 m above the base. The outside diameter ofthe pole (at its base) is 225 mm, and its thickness is 18 mm. Determine the maximum tensile and compressivestresses σt and σc, respectively, in the pole (at its base)due to the weights and the wind force.A steel [E = 25500 ksi] pipe column (1) with a cross-sectional area of A1 = 5.60 in.2 is connected at flange B to an aluminum alloy [E = 17500 ksi] pipe (2) with a cross-sectional area of A2 = 4.40 in.2. The assembly is connected to rigid supports at A and C. For the loading shown, determine the normal force in the steel pipe (1).