CBSE 9 Science | 7. Motion by Akhil | Learn Smarter with Allrounder.ai
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7. Motion

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Sections

  • 7

    Motion

    Motion refers to the change in position of objects, inferred through observation and perspective.

    Learning Practice

  • 7.1

    Describing Motion

    This section introduces the concept of motion, discussing how to describe it through reference points, distance, displacement, speed, and velocity.

    Learning Practice

  • 7.1.1

    Motion Along A Straight Line

    The section discusses the fundamental concepts of motion along a straight line, including displacement, distance, and the mathematical descriptions of these movements.

    Learning Practice

  • 7.1.2

    Uniform Motion And Non-Uniform Motion

    This section describes the concepts of uniform motion, where an object travels equal distances in equal intervals of time, and non-uniform motion, where distances covered vary over time.

    Learning Practice

  • 7.2

    Measuring The Rate Of Motion

    This section explores the concepts of speed and velocity, highlighting their definitions, differences, and formulas for calculating these rates of motion.

    Learning Practice

  • 7.2.1

    Speed With Direction

    This section discusses the definitions and differences between speed and velocity, emphasizing the importance of direction in motion.

    Learning Practice

  • 7.3

    Rate Of Change Of Velocity

    This section discusses how velocity changes over time, introducing acceleration as the rate of change of velocity.

    Learning Practice

  • 7.4

    Graphical Representation Of Motion

    This section explains the graphical representation of motion through distance-time and velocity-time graphs, demonstrating how these graphs convey important information about the speed and direction of moving objects.

    Learning Practice

  • 7.4.1

    Distance Time Graphs

    Distance-time graphs are essential tools for visualizing and understanding the motion of objects over time, illustrating the relationship between distance traveled and time taken.

    Learning Practice

  • 7.4.2

    Velocity-Time Graphs

    Velocity-time graphs visually represent how the velocity of an object changes over time, illustrating concepts of acceleration and uniform motion.

    Learning Practice

  • 7.5

    Equations Of Motion

    This section discusses the equations governing the motion of objects moving along a straight line under uniform acceleration.

    Learning Practice

  • 7.6

    Uniform Circular Motion

    Uniform circular motion occurs when an object moves in a circular path at a constant speed, while its velocity changes due to the continuous change in direction.

    Learning Practice

References

NCERT Study Material

Class Notes

Memorization

Revision Tests

Chapter FAQs