500 mm 500 mm k =1.5 kN/m 0 -500 mm- Prob. 11-37
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Determine the angle θ for equilibrium and investigate the stability at this position. The bars each have a mass of 10 kg and the spring has an unstretched length of 100 mm.
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- Neglect the thickness of the bar. Take ua=ub=u suppose that b= 1 ft300 Ib/ft 3. Six nails are used to hold the hanger at A against the column. Determine the minimum required diameter of each nail to the nearest 1/16 in. if it is made of material having 7fail = 16 ksi. Apply a factor of safety of F.S. = 2 against shear failure. B -9 ft3. At temperature T₁, the two rigidly connected rods just fit the rigid supports. If both sections are identical except for the diameter, prove that the following equations are true when temperature rises to T₂. a. F= b. OAB C. OBC A x(T₂-T₁)лd²E 20 x(T₂-T₁)E 5 9x(T₂-T₁)E 5 -1/2- d B 1/12- d C
- 101 10- R = ? -2m- F3= 15 KN F₂ = 12 kN F₁ = 10 kN -3 m Fig. P2-58 2 4 m 2 m yThe long bolt passes through the 70.4-mm-thick plate. If the force in the bolt shank is 9.5 KN, then the average shear stress (MPa) along the cylindrical area of the plate defined by the section lines a-a is: O a. 0.00 O b. 21.00 O c. 2.39 O d. 4.77 O e. 1.19 18 mm b b 8 mm Time left 0:45:52 a 7 mm YouTube The wood beam has an allowable shear stress of 15 MPa, the maximum shear force V (kN) that can be lind to the cross section is:3. The jet plane is traveling with a speed of 120 m/s which is decreasing at 40 m/s² when it reaches point A. Determine the magnitude of its acceleration when it is at this point. Also, specify the direction of flight, measured from the x axis.
- Specify the location of the single resultant load that can be used to replac A: 400 N/m www....mm 3m -3m- B*R8-4. The wires each have a diameter of 12 mm, length of 0.6 m, and are made from 304 stainless steel. If P-30 kN, determine the angle of tilt of the rigid beam AB. De 0.6 m -0.6 m- -0.3 m-Determine the shear force at point C if P = 3.3 kN/m. A -1.5 m- C -1.5 m- 1.5 m- P 000 B -1.5 m-
- The assembly consists of two 10-mm diameter red brass C83400 copper rods AB and CD, a 15-mm diameter 304 stainless steel rod EF, and a rigid bar G. The modulus of elasticity for red brass C83400 is 101 GPa. for 304 stainless steel 193 GPa (Figure 1) Figure KI1 of 1 300 mm 450 mm B. 4P"9-8. The truss is made of three A-36 steel members. each having a cross-sectional area of 400 mm. Determine the magnitude P required to displace the roller to the right 0.2 mm. 5kN -05m -0.6m5. Determine 8p and Og. Let q = 15 kN/m and L = 6m. 33