Problem 16.3: The temperature of the solid 20mm diameter post CD is increased by 50°C. Determine the force developed in the post. Both the post and the beam are made of A-36 steel which has the properties listed below. The beam has moment of inertia 1-255-10 mm. E = 200GPa, v=0.32; a-12.10 / °C Assume that there is no temperature increase in the beam ABC. 1.5m B 2.5m D 3m

A hollow aluminium shaft of 80 mm outer diameter & 60 mm inner diameter is rotating @5 Hz when constant 120 KW is applied. Use the following: G(alum)-28 GPa, a=1.80 m, b=0.80m & L-2.60 m. Assumed that the angle of twist is constant.The torque "T2" developed at right fixed support at B is_KN-m B E 1.18 0.48 2.64 3.82 5.03

1. The beam is subjected to a load F = 400 N and is supported by the rope and the smooth surfaces at A and B. a. Draw the free-body diagram of the beam. b. What are the magnitudes of the reactions at A and B? G 45% A 14" F -1.2 m 1.5 mlm- B 30°

А P 200 mm В E 150 mm F Three steel (E=200 GPa) rods (AB, CD and EF) support a load of P=30 kN as shown in the figure. Each of the rods AB and CD has a 80-mm2 cross-sectional area and rod EF has a 120-mm2 cross-sectional area. (a) Write the equilibrium equation for the rigid member BED in vertical direction, (b) write the compatibility equation for the given bar system, (c) determine the force in rod EF (d) determine the average normal stress in rod EF.