Frame of Reference
The frame with respect to which the rest or motion of object is called frame of reference.
There are two kinds
1. Inertial Frame of Reference
The frame of reference which is either at rest or in the state of uniform motion are called Inertial frame of reference.
2. Non-inertial Frame of Reference
The frame of reference which performs accelerated motion with respect to an inertial frame of reference is called Non Inertial frame of reference.
Motion in One Dimensions
When any body move in a straight line, it is called motion in one-dimension.
Ex. Motion of train, motion of car etc.
Motion in Two Dimensions
When any body moving in a plane, then its called two dimensional motion.
Ex. Circular motion, motion of boat etc.
Motion in Three Dimensions
When a body morning in a space, then its motion is said to be two dimensional motion.
Ex. Aeroplane, Birds, motion of gases etc.
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