A) increase
B) decrease
C) remain the same
D) increase if the child is long and decrease if the child is short
Correct Answer: B
Solution :
The time period of swing is given by \[T=2\pi \sqrt{\frac{l}{g}}\] \[\Rightarrow \] \[T\propto \sqrt{l}\] where\[l\]is the length of string. When the child stands up while swinging on a swing, the centre of gravity of the child shifts upwards and so, the length of the swing decreases. On account of this, time period of the swing will also decrease.
You need to login to perform this action.
You will be redirected in
3 sec
