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flight

QuestionAnswer
what is lift? the upward force created by pressure differences and produced by an airfoil
what is gravity? the downward force created by the mass of the earth (weight)
what is thrust? the force that pushes an object forward, created by engines or wings
what is drag? the force of friction that opposes the force of thrust to slow down an object
what is an airfoil? an object, such as a planes wing, with one flat one curved surface that causes a pressure difference and a reaction force when moving through the air.
what is pressure? the force exerted on a surface
what is the equation to pressure? force/area=pressure
what is buoyant force? the upward force acting on an object in a fluid. Buoyant force equals the weight of the fluid displayed by the object.
Created by: anc09
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