# 9th Class Physics Chapter 02 MCQs with Answers

Welcome to the 9th Class Physics Chapter 02 MCQs Online Test. We are presenting you with top MCQ questions from the 9th Class Physics Chapter Kinematics.

9th Class Physics Chapter 02 MCQs with Answers

The 9th Class Physics Chapter 02 MCQs “Kinematics” takes us on a fascinating journey into the realm of motion and the study of its fundamental characteristics. Within this enlightening chapter, we explore the concepts of displacement, velocity, acceleration, and their interrelationships.

Prepare to embark on a voyage where we unravel the mysteries of motion and its quantitative description. We delve into the understanding of displacement, which is the change in position of an object in a given direction. As we delve deeper, we encounter the concept of velocity, which measures the rate of change of displacement with respect to time. Velocity not only captures the object’s speed but also its direction.

Our exploration extends to the concept of acceleration, which describes how an object’s velocity changes over time. We learn about the relationship between acceleration, velocity, and time, and how they influence an object’s motion. We delve into the distinction between uniform and non-uniform acceleration, understanding how various factors affect the rate of change of velocity.

The chapter further unveils the applications of kinematics in analyzing the motion of objects. We learn about the graphical representation of motion, using displacement-time graphs and velocity-time graphs to interpret and analyze the behavior of objects. We explore concepts such as average speed, instantaneous velocity, and the distinction between scalar and vector quantities.

Through practical examples, diagrams, and problem-solving exercises, we enhance our understanding of kinematics. We sharpen our ability to analyze motion, calculate displacements, velocities, and accelerations, and interpret the behavior of objects in different scenarios. We unlock the ability to unravel the mysteries of motion and apply this knowledge to real-world situations.

Studying “Kinematics” in the 9th Class Physics curriculum nurtures critical thinking skills, analytical reasoning, and a deeper understanding of the principles that govern motion. It equips us with the tools to comprehend and predict the behavior of objects in motion, enabling us to analyze and interpret the world around us. So let us embark on this enlightening journey, where we explore the captivating realm of kinematics, unraveling the secrets of motion and expanding our understanding of the dynamic world of physics.

Contents

### What is Kinematics?

Kinematics is a subfield of physics, developed in classical mechanics, that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the forces that cause them to move.

9th Class Physics MCQs Chapter 02:  Kinematics

1. Study of motion of the bodies is known as:

(a) Heat
(b) Light
(c) Atomic physics
(d) Mechanics

(d) Mechanics

2. Study of motion without discussing the cause of motion is known as :

(a) Kinematics
(b) Dynamics
(c) Heat
(d) Motion

(a) Kinematics

3. If a body does unchanged its position with respect to some observer then it will be in a state of:

(a) Rest
(b) Motion
(c) Uniform motion
(d) Relative motion

(a) Rest

4. If a body changes its position with respect to some observer then it will be in the state of:

(a) Rest
(b) Motion
(c) Uniform motion
(d) Relative motion

(b) Motion

5. Rest and motion are the states of:

(a) Absolute
(b) Constant
(c) Variable
(d) Relative

(d) Relative

6. Which is the following is a vector quantity?

(a) Displacement
(b) Speed
(c) Volume
(d) Work

(a) Displacement

7. The spinning motion of a body about its axis is known as.

(a) Translatory motion
(b) Vibratory motion
(c) Rotatory motion
(d) none of these

(c) Rotatory motion

8. When a body moves to and fro about a point and repeats its motion again and again about the same point then this motion is known as:

(a) Translatory
(b) Vibratory
(c) Rotatory
(d) none of these

(b) Vibratory

9. The motion of the string of a violin is:

(a) Translatory
(b) Vibratory
(c) Rotatory
(d) none of these