A boat floats because the weight of the water it displaces is less than the weight of the boat itself. When an object is placed in a fluid in gravity, both the fluid and the object are pulled downward, but because the object is displacing the fluid, they are, essentially, competing for the lower position. If the object has more density than the fluid, it will be able to push it out of the way and will sink to the bottom. If not, it will only push its own weight of fluid out of the way, and the rest will float above the surface.Know More
While boats often carry, or are made of, materials denser than water, they are also made with very large empty spaces inside. It is this empty space—filled with air, which is much less dense than water—that allows boats to float. Even though the materials that compose the boat are denser than water, by including the empty spaces, its overall density is much less. This is the same reason that a helium balloon floats in air, despite the fact that rubber is much heavier than air.
This principle for why things float is known as Archimedes principle, named after a famous scholar in ancient Greece.Learn more in Vehicles
Ice floats in water because ice weighs less than water. Since ice weighs less than water, it also has less density, contributing to its ability to float in water.Full Answer >
People float in water because the human body weighs less than the volume of water it displaces when submerged. The buoyancy of an individual depends on his or her body type, as those with more muscle tend to sink further, while those with more body fat float more efficiently.Full Answer >
The umiak is a type of boat used by the Yupik and Inuit peoples. It is a skin-covered vessel still commonly found in whale-hunting villages in Alaska. The umiak utilizes a driftwood frame.Full Answer >
Lowe Boats is a company that manufactures aluminum boats and canoes. The company was founded by Carl and Dianna Lowe in 1971. It was known as Lowe Line until 1980.Full Answer >