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 the swing is given by \[T=2\pi \sqrt{\frac{l}{g}}\]where \[l\] is length of string and g the acceleration due to gravity. 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, the time period of the swing will also decrease.
You need to login to perform this action.
You will be redirected in
3 sec
