Watch gravity pull two metal balls together
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The cavendish experiment shows that even the very week force of gravity can be seen between two room scale objects. Even with the naked eye.
MyLundScience’s video on the Cavendish experiment: https://youtu.be/MbucRPiL92Q
A video derivation of the Cavendish experiment equation: https://www.youtube.com/watch?v=RacOKBBdMeQ
Experimental procedure: https://www.ld-didactic.de/documents/en-US/GA/GA/3/332/332101de.pdf
Equipment user manual: https://www.ld-didactic.de/documents/en-US/EXP/P/P1/P1131_e.pdf
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