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Roller coaster G-forces

  1. Jun 3, 2013 #1
    1. The problem statement, all variables and given/known data
    I have constructed a small scale roller coaster for my physics class. I was given the task of finding a track design with a safe and enjoyable ride. For times sake I plan to simply calculate the changes in g-force. I am using a hotwheels car and plastic track. I simply need to know how to go about calculating negative and positive vertical g-force.

    2. Relevant equations
    The few I have read about consist of the gravity constant and radius. Realistically radius might not be able to be obtained.

    3. The attempt at a solution
    I collected the mass of the car, and its acceleration throughout the track, but anything past data collection has not taken place.
     
  2. jcsd
  3. Jun 3, 2013 #2

    Simon Bridge

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  4. Jun 4, 2013 #3
    So convert the acceleration units?
     
  5. Jun 4, 2013 #4

    Simon Bridge

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    Pretty much - remember the direction.
    If you completely enclosed someone on a roller-coaster, they'd feel gravity change direction and strength.
    That's what g-force is about.
    Did you read the article?
     
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