4 in. a e. = y = = = = e. The steel box wrench (E=29,000ksi, v=0.32) is loaded with a 40-lb horizontal force and a 25-lb

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4 In A E Y E The Steel Box Wrench E 29 000ksi V 0 32 Is Loaded With A 40 Lb Horizontal Force And A 25 Lb 1 (237.38 KiB) Viewed 43 times

4 in. a e. = y = = = = e. The steel box wrench (E=29,000ksi, v=0.32) is loaded with a 40-lb horizontal force and a 25-lb vertical force. Find the following for an element located at point B on Section a-a: 24 in. 1. The non-vanishing resultant internal moments on section a-a are which of the following? a. (160 i-600 j+960 k)in·lb b. (-160 i +600 j+960 k)in · lb c. (-960 i +160 j+600 k)in · lb d. (-960 i – 160 j-600 k)in·lb none of the above 2. The normal and shear force components on section a-a are: a. V: = 651b;V, = 40lb; N, = 25lb b. V = 0;V, = 40lb; N, = 251b c. V = 64;V, = 251b; N, = 401b d. Vi = 0;V, =-401b; N, =-251b none of the above 3. The non-vanishing stress components at point B are: a. 0, =1.60; Txx -4.89ksi; b. 0, =-4.89; Tyy = 3.60ksi; 0 = 2.50ksi; Txy -4.89ksi; d. 02 = 4.91ksi; Try =-4.89ksi; none of the above 4. The principal stresses at point B from most tensile to most compressive are: a. 01,02,03 = 4.16,-0.8, -5.76 b. 0,02,03 = 5.76,0,-4.16 01,02,03 =1.9,-2.45, -6.8 d. 01,02,03 = 2.45,0, -6.8 none of the above 5. The absolute maximum shear strain at B is: a. 903με; b. 2450 με; C. 45με; d. 5920 uɛ; none of the above = C. e. c. e. e.
25 lb 5 40 lb t 24 in. 5 0.5 in. 4 in. a a y X A B Section a - a