Loading...
Initial language selection is based on your web browser preferences.
The model shows a violation of balance on the lever. By immersing a finger in one of the cups, the shoulder of the weights swung to the side of the cup. This is because the **law of action and reaction applies**. We know that the liquid acts on the finger with an **Archimedean force of buyoancy**, and so the finger acts on the water with the same force in the opposite direction.
