Problem 1. A pin supports bar AB at A. Another pin supports bar BC at C....
Problem 3: The wall crane supports a load of 700 lb with the pin at A and D. All pulleys are pin connected to the structure. The cross-sectional area of BD is 4 and the diameter for pulley B and C is 10 inches. 1) 2) 3) 4) Draw the FBDs of the pulley at E; Draw the FBD of the whole structure with the cable but without W; Find internal for NBD; Determine the average normal stress of BD...
3- (SKMMIH3/SME2113) from plastic having modulus of elasticity, E-4.0GPa a) Bar ABCD shown in Figure Q3a is made The bar consists of three segments, AB, BC, and CD. Segment AB is hollow and segments BC and CD are solids If the shortening (contraction) of bar ABCD is limited to 4.0 mm, determine the maximum allowable force P to be applied at C. (8 marks) 90 mm ΟΙ 00 mm 1080 min PL 500 mm 250 mm 250 mm Figure Q3a...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...