What is pure translational motion?

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(N/A) Pure translational motion is a type of motion in which all particles of a rigid body move in the same direction with the same velocity at any given instant of time.
In this type of motion,the displacement of every particle of the body is identical.
If a body undergoes pure translational motion,it does not rotate about any axis.
For example,a block sliding down a smooth inclined plane without rotating is undergoing pure translational motion.

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