How is it possible to make something defy gravity and fly?
Things that fly with wings are able to use the properties of the atmosphere to exert an upward force that's greater then the downward force of gravity. If there was no atmosphere birds and airplanes could not fly. Rockets are a different matter. They can fly without an atmosphere because they are able to spew out hot gas witch gives them an upward force greater then gravity. ...
Asked in Science
How do water rockets fly?
Water rockets uses the water as a fuel for take off. The water is the thing that made it fly as friction opposes the water and the air, hence , the water rocket will fly. The distance the rocket travelled is affected by how it was made, amount of water, and how well it was made. ...
Asked in Birds
Does a bird die if it doesn't fly?
Some birds don't fly, like penguins and ostriches, but they survive. For birds that normally do fly, not being able to do so would cause them difficulties, in terms of things like getting food and getting away from where they were born. If they were born on a high cliff or tree, then it would be difficult for them to get away if they can't fly. They could fall and die or be caught by...