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  • Help me understand! The motion which is not simple harmonic is

The motion which is not simple harmonic is 

  • Option 1)

    Vertical oscillations of a spring

  • Option 2)

    Motion of simple pendulum

  • Option 3)

    Motion of a planet arround the Sun

  • Option 4)

    Vertical oscillation of a wooden plank floating in a liquid

 

Answers (1)

best_answer

The motion of a planet arround the sun is a periodic motion but a simple harmonic motion. All other given motions are the examples of simple harmonic motion.

 

Simple Harmonic Motion -

It is special case of oscillatory motion of a vibrating particle in which the acceleration at any position is directly propotional to displacement from mean position & it is directed towards mean position.

- wherein

\vec{a}\; \alpha -\vec{x}

 

 

 


Option 1)

Vertical oscillations of a spring

This is incorrect.

Option 2)

Motion of simple pendulum

This is incorrect.

Option 3)

Motion of a planet arround the Sun

This is correct.

Option 4)

Vertical oscillation of a wooden plank floating in a liquid

This is incorrect.

Posted by

Plabita

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