Linear Motion also called rectilinear motion is a one-dimensional motion along a straight line, and can, therefore, be described mathematically using only one dimension. The linear motion can be of two types: uniform linear motion with constant velocity or zero acceleration; nonuniform linear motion with non-zero acceleration or variable velocity. The motion of a particle along a line can be described by its position x, which varies with t (time). An example of linear motion is an athlete running 100m along a straight track.
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