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mijares5812

How can airplanes defy the laws of gravity? - 1 views

answers.yahoo.com/...index

airplanes laws gravity

shared by mijares5812 on 31 Oct 14 - No Cached
  • Aircraft do not defy the law of gravity, they produce a sufficient force to overcome gravity, just as you do if you decide to jump in the air.
  • There are four main forces acting on an aircraft, thrust from the engines, drag on the airframe, gravity pulling down and lift generated by the wings.
  • Once the size of the lift is greater than the weight of the plane then gravity will be overcome and the plane will rise. Once cruising altitude is achieved the lift force is balanced with the weight and the aircraft stays at a constant height.
  • ...6 more annotations...
  • they don't. they use push (from jets, props, whatever) to make them go fast. then the aerodynamics of the plane helps it float on air (like a sheet of paper dropping). then the flaps on the wings help control if it goes up or down. it would be like taping a balloon to a paper airplane. the plane is what glides through the air and the balloon makes it go.
  • when the airplane moves fast enough, the air rushing below the wing pushes up, generating lift. keep it going fast enough, and the wind would keep it up
    • mijares5812
      mijares5812 on 04 Nov 14
       
      AIRPLANES DONT DEFY THE RULES OF GRAVITY  IT JUST JUMP WITH HIGH SPEED TO THE AIR  AND GLIDE 
    • mijares5812
      mijares5812 on 04 Nov 14
       
      THERE ARE FOUR FORCES ON THE AIRPLANES THE LIFT FROM THE WING THE GRAVITY THAT PULLS IT DOWN THRUST THAT PUSHES IT AT A HIGH SPEED THE THRUST COMES FROM THE ENGINES AND THE DRAG WICH DRAGS THE AIRPLANE
    • mijares5812
      mijares5812 on 04 Nov 14
       
      "THEY DONT THEY PUSH AND GO FAST TO MAKE THEM GO FAST AND THEY JUMP THE AERODYNAMICS HELP IT FLOAT (LIKE A SHEET OF PAPER)" (FROM YAHOO ANSWERS n0that5mart) 1
    • mijares5812
      mijares5812 on 04 Nov 14
       
      When a airplane goes fast enough the air going below the wing lifts the wing up . if it the plane keeps going at that speed the wind would lift it up as it glides
garza6544

Pit Bulls: Dog Breed Discrimination With Breed Specific Laws | Global Animal - 0 views

www.globalanimal.org/...iscrimination-a-people-problem

animal discrimination

shared by garza6544 on 03 Mar 15 - No Cached
  • garza6544 on 03 Mar 15
     
    (DOGS/DOG BREED DISCRIMINATION) Pit bulls have been the target of breed-specific legislation for years despite evidence these laws do not diminish dog attacks.
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