Equilibrium of Rigid Bodies 3D force Systems | Mechanics Statics | (solved examples)

Let's go through how to solve 3D equilibrium problems with 3 force reactions and 3 moment reactions. We go through multiple examples step by step and find reactions for different supports like journal bearings, fixed supports, and ball and socket joints.

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Intro (00:00)
The sign has a mass of 100 kg with center of mass at G. (01:18)
Determine the components of reaction at the fixed support A. (04:41)
The shaft is supported by three smooth journal bearings at A, B, and C. (06:46)

Book used: R. C. Hibbeler and K. B. Yap, Engineering Mechanics Statics.
Hoboken: Pearson, 2017.

[wanpanman]

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[camillepajarillaga]

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[MadeGains]

Incredible work, thank you so much! These videos are more helpful than all my course notes put together.

[thomasdesmet]

awesome video especially with the 3 different sockets mentioned

[cappmasters]

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[kbtbxer]

thank you for this video, i’m studying for my statics midterm tomorrow and this helped me so much!!

[eliko]

I just discovered this channel I wish I found it before my midterm...

[amrhelmy]

As Salamualaikum 🤗
Thank you so much for your videos, they have been really helping me in my studies!!!
I just wanted to ask in the last question at 9:33
Why in the sum of moments in z axis we multiply 250 by 2.7☺️?
Why not 1.8?
Why would we multiply 900 by 2.7?
Would you please answer me if you could as I am really confused 💔💔💔
Thanks in Advance 💖

[suleymankaya]

Hi
I love your videos which is very helpful for me thank you very much. I look forward to watch new videos, such as Strength of meterials, Differantial Equation etc . :)

❤

[brando]

Great Video! I still do not understand why the reactionary support moments were removed from the equation.

[fuakaitako]

at 9:35 why is the 450n force considered? And why is its perpendicular distance 0.6m?

[uivzzvr]

quick urgent question, is this Chapter 5 EQUILIBRIUM OF A RIGID BODY
& FREE-BODY DIAGRAMS?? and do you explain in any of your videos LECTURE 15 - EQUATIONS OF EQUILIBRIUM & TWO- AND THREE-FORCE MEMEBERS?? and THAANK YOU FOR THIS AMAZING VIDEOOO😍

[Hussain-qtti]

In the 2nd question, for calculating moments, you can also use the formula M = Fd, right, instead of doing the cross product?

[The.Wonderful.Inspiration.Of.]

I never realized that when it comes to momentum sum, we can use the sum for each axis instead than on a point. I guess it's working the same in 2d ? Because all my professors did the sum in one particular point..