STAT 203 Lecture Notes - Lecture 6: Inverse Dynamics, Cross Product, Kilogram
Document Summary
We did this last day now we"ll go through a different problem where in this case we solve for the course of the muscles and what is called joint reaction forces. This previous example we solved for forces acting at the end of the bar. Translate what we have here into a free body diagram. Isolate the left arm segment in this case and drawing in all the forces. This is what we talked about last day, this linkage point idea. Here we have a linkage point, something holding the arm in place. When forces are unknown, and that is what we"re solving for we draw them in a positive. We"re asked to solve for a shoulder joint forces and the moment it"s being generated. This is a static situation, so we know the equations we have to work with. We also know that some of the moments we have to select the axis.
