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Relative Motion Formula

Relative motion is the motion which is computed on the grounds of motion of an object in contrast to

another moving motion. The relative term is not conferring to earth but is basically the velocity of the

object taken as static when equated to other moving bodies.

Similarly, when an object moves it also alters its position constantly and that is in relative to some

reference point generally a detection instrument or may be a spectator.

Let’s assume the velocity of object A comparative to B is v then the velocity of object B comparative to A

is – v

Situation One: Two objects are moving in the same direction then the relative motion is an object with a

greater speed – object with minor speed.

Relative speed: Speed of object A (better speed) – speed of object B (lesser speed)

Situation Two: One object is moving, though the other one is being stationary.

Speed of moving object – stationary object (zero) = Relative speed

Situation Three: Both objects moving in opposite direction

Relative speed: Speed of object A + speed of object B