What is kinematics ???
explain !!

yaar koii zinda hai ??? -_-
good morning , btw ✌​

Kinematics is the branch of classical mechanics which describes the motion of points, bodies (objects) and systems of bodies (groups of objects) without looking at the cause of this motion. The term was translated from French; A.M. Ampère used the term cinématique.

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the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement