The boom AB lies in the vertical y-z plane and is supported by a ball-and-socket.. Engineers Academy

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Engineering Statics by Meriam and Kraige
Engineering Statics | P3/93 | 3D Equilibrium | Chapter 3 | 6th ed | Engineers Academy
Chapter 3: Equilibrium
The boom AB lies in the vertical y-z plane and is supported by a ball-and-socket joint at B and by the two cables at A. Calculate the tension in each cable resulting from the 20-kN force acting in the horizontal plane and applied at the midpoint M of the boom. Neglect the weight of the boom.

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[axuwu]

Thank you so much for all the videos you’ve made! They’ve helped me so much with understanding my homework, and saved me from a lot of time and frustration whenever I get stuck. It must be a lot of time and hard work to make all of these, so, thank you again!

[JoshNyanga-yo]

So do we neglect the reactions created by the ball and socket joint created by B when calculating the Tension? In other videos you included the reactions but in this one you did not. Can you please explain because I'm a bit confused

[christiangilmarremigiopalo]

1. The vertical mast supports the force F = 4-kN. and is constrained by the two fixed cables BC and BD and by a ball and socket connection at A. Determine The force F the reactions at A and the tensions in cables BC and BD as vectors. b. Take the moment around A and determine the tensions in cables BC and BD. Apply force equilibrium and determine the reaction forces at A. Hint: The coordinates of points B C and D are B(O, 0, 10), C(0, -5, 0), D(-4, 4, 2) Hint: The force F = 4 kN is pointing toward the positive x direction.

[abdulmateenzulfiqar]

Good job sir. But don't use subtitles it cause a bit confusion.