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Unit 3.6

Linear motion the motion of an object as it moves in a straight path, either horizontally or vertically.
Translational motion another name for linear motion.
Rotational motion motion where the object spins or revolves about an axis.
Distance the total length of the path from point A to point B.
Displacement is the length of the shortest path from point A to point B.
Velocity the distance traveled during a measured time interval in a particular direction.
Average speed the ratio of the total length of the path traveled from point A to point B to the time it took to go from A to B.
Instantaneous speed how fast an object is traveling at a particular instant of time, possibly a very small time interval.
Linear velocity very similar to speed, but since it is a vector it must include a direction.
Instantaneous velocity how fast and in what direction an object is traveling at a particular instant in a particular direction.
Average velocity displacement divided by time in a particular direction
Linear acceleration the rate of change in velocity
Negative acceleration when an object slows down in the positive direction: in the negative direction it will speed up
Created by: BHS Engineering