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gravity_movie

Page history last edited by johnlittlephysics 10 years, 6 months ago

Physics alive - Gravity  movie trailer 

 

  • Gravity Extended Trailer (2013) - Alfonso Cuarón Movie HD (5:25) starring George Clooney and Sandra Bullock.
  • Check out this video on YouTube:  http://youtu.be/uuMU2q00w3I
  • Also watch clips:
  • Physics: In outer space (microgravity conditions near earth in movie), 
    1. gravitational force is negligible - things don't fall "down"as "up" and "down" are not defined, they appear to "float".
    2. there is no air resistance - things don't move and slow down 
    3. If a net force acts on a body (e.g. something hits the astronaut), it accelerates, by Newton's 2nd law of motion.
    4. When that net force is gone, the body continues moving in a straight line at constant speed, by Newton's 1st law of motion (e.g. after being hit, astronaut "flies" away at constant velocity forever)
    5. If a force hits a body at a distance from its CG, it produces a turning moment (e.g. after being hit, the astronaut turns and spins forever). 
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