The Reality of our First Free Body Diagram (2:58)
The free body diagram we first learn is not entirely accurate.  All of the forces are not drawn from the center of mass of the object.  Learn why we start this way and, when we get torque, what the free body diagrams will actually look like.

Content Times:
0:12 Reviewing the first free body diagram
0:39 A more correct free body diagram
1:22 Comparing this approach to the projectile motion approach
1:52 When we get to torque
2:42 The green screen

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Picture
The green screen setup.