Solution of task 5.3.12 from the collection of Kepe OE

Solution of task 5.3.12 from the collection of Kepe OE

5.3.12
The OABC tetrahedron is under the action of forces F1 = F2 = F3 = 10H. Taking the point B as the center of reduction, determine the modulus of the principal moment of these forces, if the length of the edges AB = BC = AC = 2m. (Answer17.3)

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