Chapter 8, Motion, NCERT Grade 9 Science CBSE belongs to the Unit V Motion, Force and Work. The solutions given to the questions for the in between exercises and exercises given at the end of the chapter are prepared by our subject matter experts in a simple and lucid language. In Chapter 8, Motion, students will learn about describing motion including motion along a straight line , uniform motion and non-uniform motion. All these topics are supported with detailed text and explanatory images. The solutions provided herein for the questions related to these topics will help the learners to understand the concept in a subtle and easy way. In this chapters students will also learn about Measuring The Rate Of Motion including Speed With Direction. The text here is supported with explanation and numerical-based problems and Rate of Change of Velocity. Solutions given for the revision questions given under the heads of different activities and in between exercises further help in reinforcing the concept to the learner.
In this chapter, Motion, students will learn about the graphical motion. This topic is given under the head of making order out of chaos – early attempts at the classification of elements which is further divided into DISTANCE–TIME GRAPHS, VELOCITY-TIME GRAPHS. The subtopics such as Equations of Motion By Graphical Method, Equation For Velocity-Time Relation, Equation For Position-Time Relation, Equation For Position–Velocity, Relation further explain the concept of three equations of motion. These topics are accompanied with velocity time graphs, numerical-based problems and derivations. The topic Uniform Circular Motion explains about the object moving in a circular path with uniform speed. The solutions to the questions for in between exercises will help the students to understand the concept better.
The solutions given for the exercise at the end of the chapter helps to give a clear perspective to the learners about the key ideas of the chapter and will help them to score well in the exam. Chapter 8, Motion is a part of Unit V Motion, Force and Work Grade 9 Science CBSE and holds a weightage of 27 marks in the final examination. Get 100 percent accurate NCERT Solutions for Class 9 Science Chapter 8 (Motion) explained by expert Science teachers. We provide solutions for the questions given in Class 9 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 9 Science. The topics and sub-topics in Chapter 8 Motion are given below.
Ex 8.1 - Describing Motion
Ex 8.1.1 - MOTION ALONG A STRAIGHT LINE
Ex 8.1.2 - UNIFORM MOTION AND NONUNIFORM MOTION
Ex 8.2 - Measuring the Rate of Motion
Ex 8.2.1 - SPEED WITH DIRECTION
Ex 8.3 - Rate of Change of Velocity
Ex 8.4 - Graphical Representation of Motion
Ex 8.4.1 - DISTANCE–TIME GRAPHS
Ex 8.4.2 - VELOCITY-TIME GRAPHS
Ex 8.5 - Equations of Motion by Graphical Method
Ex 8.5.1 - EQUATION FOR VELOCITY-TIME RELATION
Ex 8.5.2 - EQUATION FOR POSITION-TIME RELATION
Ex 8.5.3 - EQUATION FOR POSITION–VELOCITY RELATION
Ex 8.6 - Uniform Circular Motion.
We cover all exercises in the chapter given below:-
EXERCISE 8.1 - 3 Questions with Solutions
EXERCISE 8.2 - 5 Questions with Solutions
EXERCISE 8.3 - 3 Questions with Solutions
EXERCISE 8.4 - 4 Questions with Solutions
EXERCISE 8.5 - 5 Questions with Solutions
EXERCISE 8.6 - 10 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Motion. Download the free PDF of Chapter 8 Motion and take the print out to keep it handy for your exam preparation.