Concise Physics Class 9 ICSE Solutions for Chapter 2 - Motion in One Dimension

Now, let’s see the table of contents covered in Chapter 2 Motion in One Dimension.

2.1 - Scalar and Vector quantities

2.2 - Rest and motion

2.3 - Distance and displacement

2.4 - Speed and velocity

2.5 - Acceleration and retardation

2.6 - Displacement-time graph

2.7 - Velocity-time graph

2.8 - Acceleration-time graph

2.9 - Motion in one dimension

List of Exercises in the Chapter 

• Exercise - 2(A) - 49 Questions - Page.no - 35

• Exercise - 2(B) - 33 Questions - Page.no - 47

• Exercise - 2(C) - 20 Questions - Page.no - 55

What Will You Learn in this Chapter?

• Motion applies to various physical quantities, whether it is an object or a particle. In Physics, it signifies a continuous change in the positions or configuration of a physical system in space.

• Mathematically, we describe motion in terms of distance, speed, time, displacement, velocity, and acceleration.

• The motion of an object is observed by attaching a frame of reference through which one can determine the change in its position and all terms like speed, time, and so on.

• So, Motion in One Dimension helps you to understand these terms.

• That’s why Chapter 2 Motion in One Dimension is included in the Selina ICSE Physics book.

Let’s see some questions of Selina ICSE Chapter 2 Physics solved by our experts.

Some Sample Questions and Answers

1. Distinguish between uniform velocity and variable velocity.

Ans: The velocity by which a body covers equal displacement in equal intervals of time is called the uniform velocity, whereas if it travels with unequal displacement in equal intervals of time, which means it travels with a variable velocity.

2. Define the term acceleration due to gravity. States its average value.

Ans: When a gravitational pull occurs on the body, it freely falls under the influence of gravity by an acceleration g. This acceleration ‘g’ is the acceleration due to gravity. It has an average value of 9.8 ms-2.

For more Selina ICSE Solutions for Chapter 2 Motion in One Dimension, you can go through the link provided above and download the solutions to access them offline easily. To get access to more such questions and answers like these, download the previous year’s question paper along with the solution from here right now.

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