A child swinging on a swing in sitting position, stands up, then the time period of the swing will

  • Option 1)

    increase

  • Option 2)

    decrease

  • Option 3)

    reamains same

  • Option 4)

    increases if the child is long and decreases if the child is short.

 

Answers (1)

As we learnt in

Time period of oscillation of simple pendulum -

T=2\pi \sqrt{\frac{l}{g}}

- wherein

l = length of pendulum 

g = acceleration due to gravity.

 

 

 

The centre of gravity shifted upwards so the length from point of suspension will decrease.

Correct option is 2.


Option 1)

increase

This is an incorrect option.

Option 2)

decrease

This is the correct option.

Option 3)

reamains same

This is an incorrect option.

Option 4)

increases if the child is long and decreases if the child is short.

This is an incorrect option.

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