06.03.2010

WHY DO SHIPS FLOAT ?

Why do ships float
 
 Author(s)                
Suzan Markowitz Meredith
 Publisher
Chelsea Club Publishers
 Date
2010
 Pages
33
 Format
pdf
 Size
5.1 Mb

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   Step into a full bathtub. You'll learn a lot about water. As your body sinks into the tub, the water moves out of the way. All around you, it rises. Now put a metal fork into the tub. It also pushes water away as it settles. But the amount is tiny. Still, you and the fork displace water for the same reason. Your weight pulls you clown. The force of gravity is doing it. Gravity pulls everything down on land, too. But there is more to the story. Water pushes up on objects that enter it. This upward force is called buoyancy...

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