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CBSE Notes for Class 9 Science chapter 8. Motion: Graphical representation of motion, quick revision notes for Class 9 Science chapter 8. Motion Graphical representation of motion, Chapter-wise CBSE Revision Notes, CBSE Notes PDF Free Download, CBSE One Liner Notes Class 9, Half Yearly Revision Notes, CBSE Revision Notes Class 9 Science
Get CBSE Notes for Class 9 Science Chapter 8. Motion: Graphical representation of motion prepared by experts as per the latest NCERT syllabus and CBSE exam pattern. These concise and easy-to-understand notes cover important definitions, formulas, diagrams, and key concepts from the chapter to help students in quick revision and effective exam preparation. Whether you are studying for school tests, board exams, or competitive exams, these notes provide a reliable study resource. Designed in simple language with point-wise explanations, they save time and enhance learning efficiency. Download free PDF notes, explore solved examples, and strengthen your understanding of [Topic Name] for scoring high marks. Perfect for Class 9 students who want clear, structured, and exam-oriented notes for CBSE Science.
Graphical Representation of Motion
Graphs are used to represent the motion of an object. Graphs provide a convenient method to present basic information about a variety of events.
Examples:
(i) In the telecast of a one-day cricket match.
(ii) Vertical bar graphs show the run rate of a team in each over.
(iii) As you have studied in mathematics, a straight line graph helps in solving a linear equation having two variables.
Uses of graphs:
(i) Graphs are very useful for comparing the motion of two moving bodies.
(ii) The position of the body at any instant of time can be determined from the distance – time graph.
(iii) Slope of velocity time graph gives the acceleration of an object.
(iv) Straight line graphs help in solving a linear equation in two variables.
(v) Distance time graph tell when and where one body crosses the other body.
To describe the motion of an object, There is one physical quantity, such as distance or velocity, on another quantity, such as time.
There are two conditions to representing motion.
1. The change in the position of an object with time can be represented on the distance-time graphs.
2. The variation in velocity with time for an object moving in a straight line can be represented by a velocity-time graphs.
1. Distance-time graphs:
In this graph:
Main concept:
The distance travelled by the object is directly proportional to time taken.
There are two types of graphs:
(I) Distance-Time Graphs for Uniform speed.
(II) Distance-Time Graphs for Non-uniform speed.
Distance-Time Graphs for Uniform speed:
Gradient: Slope of the graph.
Horizontal section of graph indicate periods of rest.
The gradient (the slope of graph) of a distance-time graph represents speed.
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Ace your exams with CBSE Notes for Class 9 Science chapter 8. Motion: Graphical representation of motion. These notes provide a clear explanation of important concepts, formulas, diagrams, and solved examples from the NCERT syllabus. Specially designed for Class 9 students, the notes are structured in a simple, point-wise manner to make revision quick and effective. Whether you are preparing for school tests, board exams, or competitive exams, these Science notes will boost your confidence and save valuable study time. You can also download Science class 9 chapter 8. Motion free PDF notes for offline learning. With easy-to-grasp language, exam tips, and well-organized content, these CBSE Science notes on chapter 8. Motion – Graphical representation of motion are the perfect study companion for scoring high marks and mastering the subject.
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