Cracking Truss Forces: Mastering Method of Joints | Pass the FE Exam

In this video, we're going to calculate the internal forces of trusses using the method of joints. This is a classic example that you might encounter in the static section of the FE Exam! #statics #FEExam #calculations #Engineer #Engineering
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[@raydilts9703]

Would Ey=1 considering sum of the forces in the Y

[@PasstheFEExam]

@raydilts9703 Hi there! It's great that you're thinking about the forces in the Y direction!
In this case, Ey wouldn't necessarily equal 1. The sum of forces in the Y direction at any joint in equilibrium does need to equal zero. However, Ey represents the vertical reaction force at the support. Its value depends on the specific loads applied to the truss and their locations.
In the video, Ey is calculated based on the given loads and geometry. So, its value could be 1 in some scenarios but it could also be another value depending on the problem.
Keep practicing and mastering the method of joints! It's a key concept for understanding truss analysis. If you have any more questions, feel free to ask!