Positive and Negative Forces
I have two questions to ask and i hope you will be able to answer them.
First of all do you thin you could give me a simple definition of what
negative and postitve ge forces are? And yes I've looked for days on the
internet and at the libarary. Also I was wondering just how exactly would
you go about building a model (mimiature) roller coaster that doesn't work?
The reason why I am asking is because I am doing a project on roller
coasters and I am going in a contest, and would like to make a model.
When people say "positive g force", what they really mean is an upward
acceleration, which adds to the acceleration of gravity and makes you
feel heavier. A negative g force is a downward acceleration.
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Update: June 2012