What is Motion ? Types Of Motion

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What is Motion ?

Motion refers to the change in position of an object over time. An object is said to be in motion if its position changes relative to a reference point. Motion can be described using concepts such as distance, displacement, speed, velocity, and acceleration.

  • Distance is the total amount of ground covered by an object during its motion. It is a scalar quantity, meaning it has only magnitude.

  • Displacement, on the other hand, is the change in position of an object from its initial position to its final position. It is a vector quantity, meaning it has both magnitude and direction.

  • Speed is the rate at which an object moves, and it is calculated by dividing the distance travelled by the time taken to travel that distance. It is a scalar quantity, meaning it has only magnitude.

  • Velocity, on the other hand, is the rate at which an object changes its displacement. It is calculated by dividing the displacement by the time taken. It is a vector quantity, meaning it has both magnitude and direction.

  • Acceleration is the rate at which an object changes its velocity over time. It is a vector quantity, meaning it has both magnitude and direction.

The study of motion is central to physics, and it helps us understand the behaviour of objects in the physical world.

What is Motion

Types Of Motion

There are several types of motion, including:

Translational motion: 

  • This type of motion involves the movement of an object in a straight line or along a curved path without any rotation. Examples include the motion of a car on a highway or a ball rolling down a hill.

Rotational motion: 

  • This type of motion involves the rotation of an object around an axis. Examples include the rotation of a wheel, a top, or the Earth around its axis.

Periodic motion: 

  • This type of motion involves the repeated motion of an object over a fixed period of time. Examples include the motion of a pendulum, a spring, or a tuning fork.

Oscillatory motion: 

  • This type of motion involves the back-and-forth motion of an object around a central point. Examples include the motion of a swing or a spring.

Circular motion: 

  • This type of motion involves the movement of an object around a circular path. Examples include the motion of a planet around the sun or a car moving around a roundabout.

Projectile motion: 

  • This type of motion involves the motion of an object that is thrown or launched into the air and then moves along a parabolic path under the influence of gravity. Examples include the motion of a basketball thrown into the air or a rocket launched into space.

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