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Balanced if the mass of the balls are the same. Doesn't matter about weight it's water displacement so based on size.
4 for the first one, it'd fill because of the pressure but if you turn the tap off it'd also be the last one with water in and wouldn't empty fully.
You would think eh!Balanced if the mass of the balls are the same. Doesn't matter about weight it's water displacement so based on size.