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Old April 26th 12, 10:11 PM
The Baron The Baron is offline
First recorded activity by FitnessBanter: Apr 2012
Posts: 5

Originally Posted by prince8585 View Post
hello friends,
how the heck can a child sitting on a stationary
playground swing eventually pump herself up to a wide arc of swing,
sometimes almost high enough to loop-the-loop, and all without
touching her feet to the ground?
momentum, another discussion i found on the swing upwards leaning back, pointing the feet into the air, oh okay I can't explain it well enough to satisfy me