Equilibrium of a Particle (2D x-y plane forces) | Mechanics Statics | (Learn to solve any question)

Let's look at how to find unknown forces when it comes to objects in equilibrium. We look at the summation of forces in the x axis and y axis, specifically 2D forces (coplanar forces). 4 examples with step by step solutions, with a broad range of coverage including springs, multiple points of consideration and geometry.

Intro(00:00)
Determine the tension developed in wires CA and CB required for equilibrium (01:53)
Each cord can sustain a maximum tension of 500 N. (03:44)
If the spring DB has an unstretched length of 2 m (06:05)
Cable ABC has a length of 5 m. Determine the position x (07:31)

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

[QuestionSolutions]

The rest of the problems can be solved in the exact same way.

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[cruelsummer]

You can also solve for item 3 by using the mini-triangles!

[AeroStuffFPV]

Great explaining, thanks so much!

But how did you get the Fca and Fcb answers? I don't see how (3:40)

[ThermoGuru]

Hi! I love your videos, especially this one in particular. However, I need help understanding how, in the first example, you got 79.97N. Do you have a video that thoroughly breaks down how you solved it? Or could you give me a brief explanation? Other than that, fantastic video!

[angeloordonia]

5:50 In question 2, why is it when I get all the mass of each forces, FBC has the least mass. I got FBA = 44.1399kg, FAE = 88.2799kg, FBC = 26.6755kg, and FBD = 30.5810kg.

[tanjinaaktar]

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