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Roller Coaster Vocab

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
Created by: leannezecco