ocr: Why does a boat float? When you put a boat in water, the water pushes against it with an upward force. This is called the upthrust. If the upthrust is equal to the boat's weight, it will support the boat, and the boat will float. BOATS WEIGHT UPTHRUSTT According to Archimedes principle, the size of the upthrust is equal to the weight of the water that the boat displaces, or pushes aside. You can find out how much water a toy boat displaces by putting itin a bucket filled to the brim with water. If you weigh the water that slops out, you will find that its weight exactly: matches the weight of ...
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