Determine the location of the shear centre O for the channel section shown in figure below. 5 mm 5 mm V 100 mm y 5 mm 55 mm

In the following structure, consider the following data: The connection at D is double and has a diameter of 50 mm. The beam BCDE has a thickness of 37.50 mm. The bar AB has a thickness of 37.50 mm and a width of 100. The connection at A is single and has a diameter of 67.50 mm. a. The normal stress in bar AB. Answ. 3.53 MPa b. The shear stress in the bolt at D. Answ. 6.25 MPa c. The shear stress in the bolt at A. Answ. 6.25 MPa d. The support stress between the beam and bolt D. Answ. 13.08 MPa

Three plates are welded together to form the section shown. Dimensions of the cross section are b = 4.7 in., d = 14.1 in., a = 3.7 in., and t= 0.8 in. For a vertical shear force of V = 46 kips, determine the shear flow through the welded surface at B. d В b. Answer: kip/in.

5. A 12-mm-diameter steel [E = 200 GPa] rod (2) is connected to a 30-mm-wide by 8-mm-thick rectangular aluminum [E = 70 GPa] bar (1), as shown in Figure. Determine the force P required to stretch the assembly 10.0 mm. (1) 0.45 m B 1.30 m