Oscillatory Motion Quiz
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Questions and Answers

What is the definition of amplitude in oscillatory motion?

  • The maximum displacement from the rest position. (correct)
  • The average position of the oscillating body.
  • The maximum speed of the oscillating body.
  • The time taken for one complete oscillation.

    • Which statement correctly describes a complete oscillation?

  • It occurs when the body moves away from the fixed point only once.
  • It represents the motion of an oscillating body passing a point twice in opposite directions.
  • It involves the oscillating body passing a fixed point twice in the same direction. (correct)
  • It is defined only by the time the body takes to return to its original position.

    • How is frequency related to periodic time?

  • Frequency is the reciprocal of periodic time. (correct)
  • Frequency is the product of periodic time and amplitude.
  • Frequency is dependent only on the amplitude of oscillation.
  • Frequency is directly proportional to periodic time.

    • If the periodic time of an oscillating body increases, what happens to its frequency?

    <p>Frequency decreases. (B)</p> Signup and view all the answers

    What unit is typically used to measure amplitude?

    <p>Metres (m) (C)</p> Signup and view all the answers

    What defines periodic motion?

    <p>Motion that is regularly repeated in equal periods of time (A)</p> Signup and view all the answers

    How does the velocity of an oscillating body behave as it moves towards its maximum displacement?

    <p>It decreases gradually (A)</p> Signup and view all the answers

    Which of the following accurately describes the relationship between kinetic energy and velocity for an oscillating body?

    <p>Kinetic energy is directly proportional to the squared velocity (C)</p> Signup and view all the answers

    Which of the following statements about oscillatory motion is correct?

    <p>It is repeated in equal time intervals around the rest position (B)</p> Signup and view all the answers

    What is considered the simplest form of oscillatory motion?

    <p>Simple harmonic motion (D)</p> Signup and view all the answers

    During oscillatory motion, when does the velocity of the body reach its maximum value?

    <p>When it is passing its rest position (A)</p> Signup and view all the answers

    In the context of oscillatory motion of a spring, what does the pencil do during the graphical representation?

    <p>Draws the shape of the oscillatory motion (D)</p> Signup and view all the answers

    What happens to the kinetic energy of an oscillating body if its velocity decreases?

    <p>It decreases assuming mass is unchanged (C)</p> Signup and view all the answers

    Flashcards

    Periodic Motion

    Motion that repeats at regular intervals.

    Oscillatory Motion

    Periodic motion around a rest position, repeated over time.

    Rest Position

    The central point where oscillating motion occurs.

    Maximum Displacement

    The farthest point from the rest position in oscillatory motion.

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    Velocity in Oscillatory Motion

    Velocity is highest at rest position and zero at maximum displacement.

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    Kinetic Energy Relation

    Kinetic energy of an oscillating body increases with mass and squared velocity.

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    Simple Harmonic Motion

    The simplest form of oscillatory motion, like a weight on a spring.

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    Graphical Representation

    The visual depiction of oscillatory motion, like a wave.

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    Amplitude

    The maximum displacement from the rest position in oscillatory motion.

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    Complete Oscillation

    The motion when an oscillating body passes a fixed point twice in the same direction.

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    Periodic Time (T)

    The time taken to complete one full oscillation.

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    Frequency

    The number of oscillations per unit time, inversely related to periodic time.

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    Relationship of Frequency and Periodic Time

    Frequency is the reciprocal of periodic time; they are inversely proportional.

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    Study Notes

    Oscillatory Motion

    • Oscillatory motion is a type of periodic motion where an object moves back and forth repeatedly around a central point, called its rest position.
    • The motion repeats in equal time intervals.
    • The displacements on either side of the rest position are equal.
    • The velocity of the oscillating body is maximum at the rest position and zero at the maximum displacement.
    • The kinetic energy of an oscillating body is directly proportional to the mass and the square of its velocity.
    • Examples of oscillatory motion include pendulums, springs, tuning forks, and motion of a swing.

    Periodic Motion

    • Periodic motion is motion that repeats in equal intervals of time.
    • Examples include oscillatory motion and wave motion.

    Defining Oscillatory Motion

    • An oscillating body moves back and forth around its rest position.
    • This movement is repeated in equal time intervals.
    • The displacements on each side of the rest position are equal.
    • The velocity is maximum at the rest position and decreases to zero at maximum displacement.

    Relation Between Velocity and Kinetic Energy

    • The kinetic energy of an oscillating body is directly proportional to its mass and the square of its velocity.
    • As velocity increases, kinetic energy also increases.

    Graphical Representation

    • The oscillatory motion of a spring can be represented graphically.
    • The graph shows the displacement of the oscillating body over time, forming a sinusoidal pattern.
    • A simple harmonic motion is the simplest form of oscillatory motion.

    Properties of Oscillatory Motion

    • Amplitude: The maximum displacement of the oscillating body from its rest position.
    • Complete oscillation: The motion from a point to the opposite extreme, then back to the original point.
    • Periodic time: The time taken for one complete oscillation.
    • Frequency: The number of complete oscillations per second.

    Complete Oscillation

    • It is the motion of an oscillating body, when it passes through a fixed point on its path two successive times in the same direction.
    • The graph of displacement vs time for a simple harmonic motion shows a complete oscillation.
    • A complete oscillation includes four successive displacements (amplitudes).

    Periodic Time (T)

    • The time required for one complete oscillation.
    • Measured in seconds (s).

    Frequency (f)

    • The number of complete oscillations per second.
    • Measured in Hertz (Hz).
    • Related to the German scientist Hertz.
    • The reciprocal of the periodic time.

    Relationship Between Periodic Time and Frequency

    • Periodic time (T) multiplied by frequency (f) equals 1.
    • Frequency is inversely proportional to periodic time.
    • As periodic time increases, frequency decreases.

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    Related Documents

    Prep.2 Unit One - Lesson One PDF

    Description

    Test your understanding of oscillatory and periodic motion with this quiz. Discover the properties, examples, and definitions related to these types of motion. Perfect for students learning physics concepts.

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