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Question

What are the different types of acceleration?


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Solution

Definition of acceleration

The rate of change of velocity which is an example of a vector quantity is called acceleration. It is a vector quantity as it has both magnitude and direction. The S.I unit of acceleration is m/s2.

Formula

acceleration=finalvelocity-initialvelocitytimeacceleration=Changeinvelocitytimea=vf-vita=vt

Here,

a is the acceleration.

vf is the final velocity.

vi is the initial velocity.

t is the time interval.

Δv is the small change in the velocity.

Different types of acceleration

There are three types of acceleration, such as:

  1. Uniform acceleration: When an object is traveling in a straight line with a uniform increase in velocity at equal intervals of time, then the object is said to be in uniform acceleration. The free-falling of an object is an example of uniform acceleration.
  2. Non-uniform acceleration: When an object is traveling with a uniform increase in velocity but not at equal intervals of time is known as non-uniform acceleration. Bus moving or leaving from the bus stop is an example of non-uniform acceleration.
  3. Instantaneous acceleration: The acceleration of an object at any instant of time is known as instantaneous acceleration.

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