The principle of Archimedes

Apparent loss in weight A simple but striking experiment to illustrate the upthrust exerted by a liquid can be shown by tying a length of cotton to a brick. Any attempt to lift the brick by the cotton fails through breakage of the cotton, but if the brick is immersed in water it may be lifted quite …

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The principle of Archimedes When it was first proposed to build ships made of iron many people laughed at the suggestion. Owing to the fact that a piece of iron sinks when placed in water they held the view that iron ships would be a failure. When anything is placed in a liquid it receives an upward force …

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