This video is an introduction to shear force and bending moment diagrams. What are Shear Forces and Bending Moments? Shear forces and bending moments are resultants which are used to conveniently ...

Pre Reqs:** [Intro to Forces](http ... that the total force is still a vector). Physicists like to represent forces on an object by drawing a Free Body Diagram. This is simply a representation ...

The sum of these two forces can be found using a vector diagram. The two forces are represented ... in which two adjacent sides each represent a force. Try to choose a simple scale, for example ...

are used to describe situations where several forces act on an object. Vector diagrams are used to resolve (break down) a single force into two forces acting at right angles to each other.

The gray C-shape represents ... the same force diagram as the one for the straight slide, there's a really big difference. For the straight slide, the person has an acceleration vector pointing ...