0.75 in. A 1 in. 20° 1.5 in. -→-1 in.-- 4 in. 5 lb

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The steel bar AB has a diameter of 30mm and is connected to the brass bar BC. The two bars are fixed to unyielding supports at the top (point A) and bottom (point C) ends. If there is a temperature rise of 50°C, calculate the compressive force induced in the rods (ABC). Note: For steel (E = 200 GPa, as = 11.7 x 106 °C) and for brass (E = 105 GPa, qb= 20.9 x 10-6/ °C). 250 mm 300 mm A B -30-mm diameter -50-mm diameter

Determine the maximum distance d to the edge of the plate at which the force P can be applied so that it produces no compressive stresses on the plate at section a-a. The plate has a thickness of 20 mm and P acts along the centerline of this thickness. 200 mm a

The steel shaft has a diameter of 3.5 in .It is supported on smooth journal bearings A and B which exert only vertical reactions on the shaft. Determine the absolute maximum bending stress in the shaft if it is subjected to the pulley loading shown.

Load P is applied to joint D and the temperature increases by 50 °F. There are two steel (E = 29*10^6 psi; a = 6.5*10^-6/°F) AD and DC and a bronze (E = 16*10^6 psi; a = 9*10^-6/°F) BD with a length of 50 inches. Each bar is a 0.75 inch diameter. Find the deformation of every rod, the displacement at D, and the stress in each rod.

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