Uploaded August 2023 | Updated September 2026, 3 weeks ago

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If you're in a boat and you drop a heavy ball into the water; will the water level go up, go down, or stay the same. Solving this requires Archimedes Principle, Newton's Laws, and some logic.

Nick Lucid - Host, Writer, Editor, Animator
Em Lucid - Producer
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VIDEO ANNOTATIONS/CARDS

Black Hole Optics:
youtu.be/R2YsF47BMvY
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RELATED YOUTUBE VIDEOS

Physics Girl on the Bowling Ball Problem:
youtu.be/nVT1c0tr8NE
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SOURCES

http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy.html
http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy2.html
http://hyperphysics.phy-astr.gsu.edu/hbase/fcab.html
what-if.xkcd.com/125
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LINKS TO COMMENTS

youtube.com/watch?v=R2YsF47BMvY&lc=Ugw3vnn7VjC7s6lNKYh4AaABAg
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IMAGE/VIDEO CREDITS

LLNL Explosion:
youtu.be/XnrLY-phipw
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TIME CODES

00:00 Cold Open
00:27 Common Answer
00:56 Some Bowling Balls Float
01:22 Experiment 1 (Floating Ball)
02:00 Mechanical Equilibrium
02:23 Archimedes Principle
03:19 Experiment 2 (Sinking Ball)
04:13 Explanation 2 (Sinking Ball)
04:41 Extreme Solutions
05:46 Rigorous Solution
06:27 Free Body Diagram of Ball
07:06 Summary
07:43 Featured Comment