Use the Method of Joints and BASIC Physics to Analyze a Truss | Statics

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Use free body diagrams and the Method of Joints to calculate the force in each beam or member of a truss.

Solve for the reaction forces acting that the pin and roller supports which are holding up the truss.

Use a common sense approach to determine whether each beam within a truss is under tension or compression.

Trusses are a fundamental part of the study of static structures and static equilibrium. Truss Analysis comes up in most courses that deal with statics. This includes introductory physics courses such as high school physics, AP Physics 1, AP Physics C Mechanics. As well as introductory engineering courses such as PLTW Principles of Engineering (POE).

This problem also serves as the foundation for more advanced statics engineering courses that appear at a college level in fields such as civil engineering.

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This was amazing, I find that many other videos just talk about tension and compression without any reference as to whether they are talking about forces acting on a member or forces that a member exerts to oppose external forces, which led me to be more confused than when I started. You've reaffirmed my initial intuition of what each force represented. Thank you

icelordotis

Brilliant explanation on method of joints. I could never quite get this in my structures class but now I've got it, cheers.

JamchesterBoozle

Well _this_ channel seems *_thoroughly_* underrated...
Might as well sub!

ivoryas

Thank you for making the best video I've seen on this subject. Sharing with my students tomorrow. 🙂

lnzheud

perfect video really the only video I could understand anything off of about the method of joints I just didn't understand how you used the Pythagorean theorem to find the force in beam BD

vaa