Class 9 Chapter 8 Motion NCERT Solutions Quiz and Flashcards

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Questions and Answers

What is the purpose of NCERT Solutions for Class 9 Science Chapter 8: Motion?

To cover advanced scientific topics

To provide guidance for competitive exams

To help students clear doubts and concepts easily (correct)

To focus on historical perspectives of motion

What do the NCERT Solutions for Class 9 Science Chapter 8: Motion include?

Questions and activities unrelated to exams

Concept-based approach and precise answering method for CBSE examinations (correct)

Guidance for sports competitions

Historical facts about motion

What is the contribution of the faculty in developing NCERT Solutions for Class 9 Science?

No contribution from the faculty

Political influence

Vast teaching experience (correct)

Teaching unrelated topics

What is the primary focus of NCERT Solutions for Class 9 Science?

Clarifying doubts and concepts Signup and view all the answers

According to the information provided, what is the intention of NCERT Solutions for Class 9 Science?

To help students clear doubts instantly in an effective way Signup and view all the answers

What is the format of NCERT Solutions for Class 9 Science Chapter 8: Motion?

Question-oriented with exam-focused exercises Signup and view all the answers

What is the relationship between the total distance travelled and displacement?

The total distance travelled can be greater, equal to, or less than the displacement Signup and view all the answers

What does the odometer of an automobile measure?

Distance travelled based on wheel rotation Signup and view all the answers

Can an object have zero displacement even after moving through a distance?

Yes, if it returns to its initial position after moving Signup and view all the answers

What is the relationship between speed and velocity?

Speed and velocity are different but related quantities Signup and view all the answers

Under what condition is the magnitude of average velocity equal to the average speed of an object?

When the total distance travelled is equal to the displacement Signup and view all the answers

Is it possible for an object's displacement to be zero?

Yes, if it moves in a straight line Signup and view all the answers

What is the magnitude of displacement if a person jogs around a circular park and returns to the initial position?

$0$ Signup and view all the answers

Which of the following statements about displacement is true?

It can be zero and can be less than or equal to the distance travelled by the object Signup and view all the answers

What does average speed measure for an object?

The total distance covered in a specific time frame Signup and view all the answers

In what situation will an object's speed be equivalent to its velocity?

When moving at a constant speed. Signup and view all the answers

Study Notes

NCERT Solutions for Class 9 Science Chapter 8: Motion

The primary focus of NCERT Solutions for Class 9 Science is to provide comprehensive learning material for students.
The intention of NCERT Solutions for Class 9 Science is to facilitate learning and understanding of scientific concepts.

Displacement and Distance

The total distance travelled by an object is not necessarily equal to its displacement.
The odometer of an automobile measures the total distance travelled.
An object can have zero displacement even after moving through a distance, if it returns to its initial position.

Speed and Velocity

Speed and velocity are not the same; velocity has both magnitude and direction.
The magnitude of average velocity is equal to the average speed of an object only when the object moves in a straight line.

Displacement and Motion

It is possible for an object's displacement to be zero, even if it has moved through a distance.
If a person jogs around a circular park and returns to the initial position, the magnitude of displacement is zero.
A true statement about displacement is that it is a vector quantity having both magnitude and direction.
Average speed measures the total distance travelled by an object over a given time period.
An object's speed is equivalent to its velocity only when it moves in a straight line.

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Description

Access free NCERT solutions for Class 9 Science Chapter 8: Motion, designed to help clarify doubts and concepts. The solutions are aligned with the CBSE Syllabus 2023-24 and are available for free PDF download.