Lift

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Lift in flight

There are 4 forces acting on an aerospace vehicle in flight.

  1. Thrust
  2. Drag
  3. Lift
  4. Mass

4forces.jpg

  • Weight is a product of the mass of an object and the gravity in the environment
  • An aircraft will climb as long as the lift is greater then the weight
  • The aircraft stay the same altitude when lift and weight are equal
  • The aircraft will descend when weight is greater then lift

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