Free body diagrams close free body diagramA simplified drawing of an object or system showing the forces acting on it. The forces are shown acting away from the centre of a box or dot. are used to ...

**Pre Reqs:** [Intro to Forces](http://scienceblogs.com/dotphysics/2008/09/basics-what-is-a-force.php), [Vectors](http://scienceblogs.com/dotphysics/2008/09/basics ...

Strengthen your Physics score with these exam-level problems covering friction, circular motion, pulleys, collisions, and ...

Segment 3B: Free Body Diagrams We illustrate how free body diagrams help us analyze force Segment 3B: Free Body Diagrams We visit a bustling port on Georgia's coast to illustrate how free body ...

One of the major challenges in the study of vibrations is drawing free body diagrams (FBDs) that are valid for all subsequent motion of the system. Spring forces must be drawn in directions that ...

Do you need some practice with force diagrams for your introductory (or advanced) physics course? Here are three questions (and the last one is awesome) about the motion of a bike as it is pulled.