This may vary by jurisdiction, but in California the purpose of an admission of facts is to avoid having to prove or disprove some fact later in trial. This is especially useful if the fact is important to the determination of a dispositive motion, such as a Motion for Summary Judgment.

Motion is already involves in motion because the motion is motion

Some examples of motion are-random motion,periodic motion,rotatory motion,circular motion and osclitory motion

Linear Motion, reciprocating motion, rotary motion, and oscillating motion

circular motion

linear motion

random motion