Answers

2014-03-14T13:24:53+08:00
Floating in water like a ship is called buoyancy,but remember that it is also having a water displacement when it floats upon the water
0
2014-03-14T17:49:34+08:00
It's buoyancy or a buoyant force, it's like an upward force from the water so when something is thrown to the water, for example a cork it will not subside due to the acting force from the sea pushing the cork upward, that's why it's floating. 
0