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Acceleration MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

Quick Facts

  • 85 Questions around this concept.

Solve by difficulty

The displacement Vs time graph is given below which of the following conclusions is correct:

Four velocity time graphs (Namely I , II , III , IV ) are shown in the figure. In which case is the acceleration uniform and positive

A body is moving with velocity 30m/s towards east. After 10 seconds its velocity becomes 40m/s towards north. The average acceleration of the body is

A car moving with 72 km/hr comes to rest in 5 second its acceleration is: (in m/s2)

Concepts Covered - 1

Acceleration
  • Rate of change of velocity with time.

  • Formula-

              a=change in velocity/change in time

                  a=vfvit

  • Tips for Acceleration-

  1. It is a vector quantity

  2. Dimension = LT2

  3. S.I unit =  ms2

  •    Eg. A car starting from rest accelerates uniformly to a speed of 75 m/s in 12 seconds. What is the car's acceleration ?

vi=0vf=75 m/sa=?a=vfvit=75012a=6.25 m/s2

  • Types for Acceleration

based on the nature of acceleration

                  There are three types of acceleration

  1.  Positive Acceleration-

  •  If the final velocity is greater than the initial velocity.  For:  V> V1

  • E.g.- When a bus speeds up.

  1.     Negative Acceleration-

  • When the final velocity is less than the initial velocity. For: V1>V2

  • Example- When a bus slows down.

  1.     Zero Acceleration-

  • When the final velocity is equal to the initial velocity. For:  V1=V2

  • E.g.- When a bus is moving with uniform velocity.

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Acceleration

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