Physics
Grade-9
Easy

Question

A simple pendulum executes always:

  1. Only periodic motion
  2. Only oscillatory motion
  3. Simple harmonic motion
  4. Both a and b

hintHint:

The to and fro motion of a simple pendulum is an example of a periodic

The correct answer is: Only oscillatory motion


    1. A simple pendulum executes an oscillatory motion.
    2. The to and fro motion of an object about its mean position is called oscillatory motion.
    3. Movement of a simple pendulum, movement of a swing, movement of the needle in a sewing machine are the examples of oscillatory motion.
    Hence, a simple pendulum executes oscillatory motion.
    The to and fro motion of a simple pendulum is an example of a periodic
    Hence Both a and b

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