Linear motion

Linear motion (also called rectilinear motion) is a motion along a straight line, and can therefore be described mathematically using only one spatial dimension. The linear motion can be of two types: uniform linear motion with constant velocity or zero acceleration; non uniform linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point-like object) 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.

单词	Straight line motion
释义	Straight line motion 英语百科 Linear motion Linear motion (also called rectilinear motion) is a motion along a straight line, and can therefore be described mathematically using only one spatial dimension. The linear motion can be of two types: uniform linear motion with constant velocity or zero acceleration; non uniform linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point-like object) 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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Straight line motion

Linear motion