9-59. The A-36 steel rod has a diameter of 50 mm and is lightly attached to the rigid supports at A and B when T; = 80 "C. If the temperature becomes T; = 20 °C. and an axial force of P = 200 ÊN is applied to its center, determine the reactions at A and B. 0.5 m-
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- The plate is made of steel having a density of 7850kg/m3. If the thickness of the plate is 10 mm,determine the horizontal and vertical components ofreaction at the pin A and the tension in cable BC.The 50-mm-diameter cylinder is made from Am 1004-T61 magnesium and is placed in the clamp when the temperature is T1 = 20° C. If the 304-stainless-steel carriage bolts of the clamp each have a diameter of 10 mm, and they hold the cylinder snug with negligible force against the rigid jaws, determine the force in the cylinder when the temperature rises to T2 = 130°C.If the weight of the h0m0gen0us cylinder in equilibrium is 750N, what is the magnitude (N) of the n0rmal f0rce if the surface is r0ugh?
- The post is made of Douglas fir and has a diameter of 100 mm. If it is subjected to the load of 20 kN and the soil provides a frictional resistance that is distributed along its length and varies linearly from w = 4 kN>m at y = 0 to w = 12 kN>m at y = 2 m, determine the force F at its bottom needed for equilibrium. Also, what is the displacement of the top of the post A with respect to its bottom B? Neglect the weight of the post.Determine the reaction at the roller support B if it settles 5 mm. E = 200 GPa and I = 65.0(10-6) m4.If the gap between C and the rigid wall at D is initially 0.15 mm, determine the support reactions at A and D when the force P = 200 kN is applied. The assembly is made of solid A-36 steel cylinders.
- The A-36 steel wires AB and AD each have a diameter of 2 mm and the unloaded lengths of each wire are LAC = 1.60 m and LAB = LAD = 2.00 m. Determine the required diameter of wire AC so that each wire is subjectedto the same force when the 150-kg mass is suspended from the ring at A.The rigid bar is supported by the two short white spruce wooden posts and a spring. If each of the posts has an unloaded length of 1 m and a cross-sectional area of 600 mm2, and the spring has a stiffness of k = 2 MN >m and an unstretched length of 1.02 m, determine the force in each post after the load is applied to the bar.The A-36 steel pipe has an outer radius of 20 mm and an inner radius of 15 mm. If it fits snugly between the fixed walls before it is loaded, determine the reaction at the walls when it is subjected to the load shown.
- The shaft-pulley assembly is supported by the universal joint at O and by the slider hearing at A. The pulley, which has a mass of 7 kg, is subjected to the belt tensions shown. The mass of the shaft may be neglected. Draw an FBD that consists of the pulley and shaft AO. Determine the number of unknowns on this FBD.The rigid beam is supported by three 25-mm diameter A-36 steel rods. If the beam supports the force of P=230 kN, determine the force developed in each rod. Consider the steel to be an elastic perfectly plastic material.The jib crane is supported by a pin at C and rod AB. If the load has a mass of 1.89 Mg with its center of mass located at G. If x = 5 m, determine the following: 9.1 The force developed in rod AB on the crane is Blank 1 kN. 9.2 The support reaction at pin C is Blank 2 kN. 9.3 The jib crane is supported by a pin at C and rod AB. The rod can withstand a maximum tension of 38 kN. If the load has a mass of 2 Mg, with its center of mass located at G, determine the maximum allowable distance x in meters.