College of Liberal Arts & Sciences
2B40.20 - Buoyancy Demo - Archimedes' Principle and Applications
Video Credit: Jonathan M. Sullivan-Wood.
Make sure to pull the plug and equalize the water level in the bucket several minutes before you drop the rock in so that you know that the water you collect is equal to the volume of the rock. When the rock is dropped in the scale will decrease about 10 Newton's. Pour the water back into the small bucket and the scale will go back to the starting weight.
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