व्हाट इज द मोशनहाउ मेनी टाइप ऑफ मोशन
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When a body does not change its position with time, we can say that the body is at rest, while if a body changes its position with time, it is said to be in motion.Terms Used To Define Motion
Distance and Displacement
Speed and Velocity
Acceleration
An object is said to be a point object if it changes its position by distances which are much greater than its size. A point or some stationary object with respect to which a body continuously changes its position in the state of motion is known as origin or reference point.
When we say an object is moving, it is always with respect to another object. For example, when we say a vehicle is moving on a road, it is moving with respect to the trees and poles on the road, which are ‘not moving’. When you say you are at rest or not moving while reading a book, it is with respect to your chair or your desk. When an object moves, its position (with respect to another object) changes with time. Let us take the example of a car moving away from a building.