7. The base of an automobile jack stand forms an equilateral triangle of side length 250 mm and is centered under the co

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7 The Base Of An Automobile Jack Stand Forms An Equilateral Triangle Of Side Length 250 Mm And Is Centered Under The Co 1 (48.63 KiB) Viewed 44 times

7. The base of an automobile jack stand forms an equilateral triangle of side length 250 mm and is centered under the collar A. Model the structure as one with a ball and socket at each joint and determine the forces in members BC, BD, and CD. Neglect any horizontal reaction components under the feet B, C, and D. 4 kN 400 mm 250 mm