Why do boats float?

Answer

Boats float because the fluid in which they float offsets the downward pull of gravity and pushes it up. This force is commonly known as buoyant force or buoyancy.
Q&A Related to "Why do boats float?"
Density is determined by measuring an object's mass and volume. Density is a measure of the amount of mass a given volume of an object has. Two objects can be the same size, yet have
http://www.ehow.com/info_12049367_steel-boats-floa...
weight of the boat pushes the boat down and the water pushes it up. there is no air inside at all. well there is but that isn't the reason why it floats SOMEPERSON DID WRITE THAT
http://wiki.answers.com/Q/Why+do+pennies+in+an+alu...
Displacement of water is what allows a boat to float on the water. Boats float because
http://www.chacha.com/question/why-boats-float-in-...
1 Fold the paper in half from top to bottom. Ad 2 Fold the paper from side to side. 3 Unfold the paper once. 4 Fold the top left tip so that it touches the middle crease. 5 Flip it
http://www.wikihow.com/Make-a-Floating-Paper-Boat
1 Additional Answer
The reason a boat floats is based on the gravitation force and the buoyancy force. As you know gravity is the down pull on objects. Gravity is what keeps us from floating away. Gravity pulls down. Thus is you toss a unopened can of beans in the water it sinks because of the gravitational pull or downward force. Now, a boat on the other hand does not sink, although it weighs a great deal more than a can of beans. This is because a boat displaces the water. The more water the boat displaces or the stronger buoyancy which is gravity in reverse, so to speak, the object floats. Think of it like this, the stronger the gravitational force, the object sinks and the stronger the buoyancy force (upward pull) the object floats.
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