Statics Problem 5-82: 3D rigid body equilibrium of a beam

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Practice Statics Problem 5-82: 3D rigid body equilibrium of a beam. In this video I solve a rigid body with ball and socket joint. The ball and socket joint allows rotation in all directions, therefore, it does not exert in reaction moments. However, it resists the motion in all direction, therefore, there will be reaction forces in x, y and z. To solve for the 5 unknown, we need to write both force and moment equilibrium equations.
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I might be wrong, but I think the Y component of F(BC) is also -2/3j

trevorp