Sum of MOMENTS and Rigid Body Equilibrium in 13 Minutes! (Statics)

Statics lecture on Rigid Body Equilibrium (rotation of bodies), finding reaction moments and using external couples in static structures. Moments explained! 00:00 Particle vs Rigid Body Equilibrium 00:40 Moments & Rotational Equilibrium 01:45 Orientation of Moments 03:23 External and Reaction Moments 05:06 General Procedure Example 06:04 Diagonal Forces on Moments 07:24 Support Types Reactions 10:29 Lecture Example Moments as Cross Products (in examples 2 and 3). Example 1: https://youtu.be/ituyo2QGU0I Example 2: https://youtu.be/AVlgwScepnI Example 3: https://youtu.be/ruu6ndcpIxI Example 4: https://youtu.be/_jXSuUeVDug Next Lecture: TRUSSES - Method of Joints & Method of Sections in 12 Minutes! https://youtu.be/08A1o68Mqwk Previous Lecture: FREE BODY DIAGRAMS and Particle Equilibrium in 9 Minutes! (Statics) https://youtu.be/hP3MIc6nlew ________________________________________________ Statics Course Links: WATCH ALL STATICS CONTENT IN LESS THAN 2 HOURS! Force Vectors and Vector Components: https://youtu.be/Gz09VNG5wJc Particle Equilibrium and Free Body Diagrams (Springs and Pulleys): https://youtu.be/hP3MIc6nlew Rigid Body Equilibrium and Sum of Moments: https://youtu.be/QCerFSLpkrI Trusses - Method of Joints & Method of Sections: https://youtu.be/08A1o68Mqwk Shear Force and Bending Moment Diagrams: https://youtu.be/WianxEc4dUI Centroids: https://youtu.be/f6zNIheXRzg Fluid (Hydrostatic) Pressure: https://youtu.be/3MvRpp7WnK0 Friction: https://youtu.be/QsWeEPaX4Vw Two and Three Force Members: coming soon Machines: coming soon Second Moment of Area (Inertia): coming soon Mass Moments of Inertia: coming soon