**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 ...

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 ...

Julia Roberts Celebrates Twins’ Birthday on Instagram With Rare Baby Photo Cardiologist: 9 American foods you 'couldn't pay me to eat'—after 20 years of treating heart attacks Americans say Trump has ...

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