what is motion ??????????
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In physics, motion is a change in position of an object with respect to time. Motion is typically described in terms of displacement, distance (scalar), velocity, acceleration, time and speed.
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In physics, the motion is the change in position of an object with respect to its surroundings in a given interval of time. The motion of an object with some mass can be described in terms of the following:
- distance
- displacement
- speed
- velocity
- time
- acceleration
Types of Motion in Physics :-
Motion of an object depends on the type of force acting on the body. Examples of different kinds of motion are given below.
- Translational – It is the type, where an object moves along a path in any of the three dimensions.
- Rotational – It is the type, where an object moves along a circular path about a fixed axis.
- Linear – It is a type of translational motion where the body moves in a single direction along a single dimension.
- Periodic – It is the type of motion that repeats itself after certain intervals of time
- Simple Harmonic – It is the type of motion like that of a simple pendulum where a restoring force acts in the direction opposite to the direction of motion of the object. This restoring force is proportional to the displacement of the object from mean position..
- Projectile – It is the type of motion which has a horizontal displacement as well as vertical displacement.
- Oscillatory – It is the type of motion which is repetitive in nature within a time frame. If it is mechanical in nature it is called vibration.
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