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Do planes use drag?
Drag is typically minimised where possible, as it has no purpose in making flight simpler, better or more efficient.
Which ancient people used inclined planes to drag heavy stones?
the Egyptian people
What are the four forces that act on planes?
Lift (up)Thrust (forward)Gravity (down)Drag (backward)
What is the mean of defy?
of Defy
Why are the wings of some planes bent up at the tips?
These are called winglets. They reduce drag therefore increase lift.
What forces make an airplane fly?
Thrust and Lift. Gravity and drag make planes more difficult to fly.
How do you write a sentence with the word defy?
a good scentence for defy is, "i would not defy my fathers orders."
What part of speech is the word defy?
The word defy is a verb. Defy means to reject or to refuse.
Why is th tip of the rocket made pointer?
The tip of a rocket is pointy to increase aerodynamics and reduces drag. For example, if a rocket had a flat end, it would create more drag and slow the rocket down. It's also the same for planes too.
What is the noun of defy?
defiance http://www.thefreedictionary.com/defiance
How do planes fly with all their weight?
A combination of the thrust of the engines and the lift of the wings overcoming the drag of air resistance and the pull of gravity.
Be able to identifiy modes of transportation cars planes trains that have less drag using pictures provided Explain why they have less drag?
How do you expect anybody to answer this question when you don't provide any examples of the pictures you are describing?
