The force table illustrates the vector addition of forces.


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Read more: How to Use a Force Table

Make a free body diagram from basic principles! 


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Read more: How to Make a Free Body Diagram

A long chain turns into a fountain of self-siphoning beads!


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Read more: Chain Fountain

A way to show the magnitude and direction of centripetal forces.


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Read more: Centripetal Force Demonstration

The consequences of forces around a pivot and its critical angle are explored.


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Read more: Torque on a Spool