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Roller Coaster Vocab
Term | Definition |
---|---|
gravity | a force that draws any 2 objects toward one another |
force | any push or pull |
speed s=distance/time | how fast an object moves. Is equal to the distance that object travels divided by the time it takes. |
velocity | a combination of speed and the direction in which an object travels |
critical velocity | the speed needed at the top of a loop for a car to make it through the loop without falling off the track. |
acceleration a=velocity/time | how quickly an object speeds up, slows down or changes direction. Is equal to change in velocity divided by time |
friction | a force caused by a rubbing motion between 2 objects |
potential energy | the energy stored by an object ready to be used |
kinetic energy | the energy of an object in motion, which is directly related to its velocity and its mass |
torque | a twisting force |
G-force | also known as gravitational force. Is equal to the force exerted on an object by the Earth's gravity at sea level |