Equilibrium: Introductory Topics

Equilibrium: Introductory Topics

We will be doing a unit on equilibrium. This was actually explored in our dynamics and forces unit. To review what equilibrium means:


One important thing to remember is that when we treat an object as a single mass (instead of a whole bunch of matter stuck together, which most things actually are) we simplify it as though it were a single point at its center of mass:


Here is a sample problem showing how we solve for translational equilibrium. First, here’s how to solve it using components:


And then, how to solve it using trigonometry instead:


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