CBSE Class 7 Science Notes Chapter 13 Motion and Time
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Questions and Answers

What are the three types of motion generally divided into?

  • Straight, curved, zigzag
  • Linear, rotational, vibrational
  • Forward, backward, upward
  • Rectilinear/translatory, circular, periodic/oscillatory (correct)
  • Which type of motion is exhibited by the motion of planets around the sun?

  • Circular motion (correct)
  • Periodic/oscillatory motion
  • Rotational motion
  • Rectilinear/translatory motion
  • What is rectilinear/translatory motion?

  • Motion in a straight line without changing direction (correct)
  • Motion along a curved path
  • Motion in a circular path
  • Motion that repeats after fixed intervals of time
  • Which type of motion is characterized by repeating after fixed intervals of time?

    <p>Periodic/oscillatory motion</p> Signup and view all the answers

    What is the shape of the path for circular motion?

    <p>Circle</p> Signup and view all the answers

    Study Notes

    Types of Motion

    • There are three types of motion.
    • Motion can be divided into three main categories.

    Motion of Planets

    • Planets around the sun exhibit orbital motion.
    • Orbital motion is a type of circular motion.

    Rectilinear/Translatory Motion

    • Rectilinear or translatory motion is a type of motion where an object moves in a straight line.
    • This type of motion occurs when an object moves from one point to another in a straight path.

    Periodic Motion

    • Periodic motion is a type of motion that repeats after fixed intervals of time.
    • Examples of periodic motion include the motion of a pendulum, a spinning top, and the Earth's rotation.

    Circular Motion

    • The path of circular motion is circular or elliptical in shape.
    • Circular motion can be either orbital or rotational.

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    Description

    Access free downloadable notes covering Chapter 13 Motion and Time for Class 7 Science, including basics of motion, types of motion, and an introduction to distance. Also, get information on the renumbering of this chapter as Chapter 9 in the CBSE Syllabus 2023-24.

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