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

Question

A child swinging on a swing in sitting position, stands up, then the time period of the swing will: (A) increase (B) decrease (C) remain same (D) increase if the child is long and decrease if the child is short

Tardigrade Admin · Accepted Answer

As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, according to T=2 π √(l/g) T will decrease.

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

increase

decrease

remain same

increase if the child is long and decrease if the child is short

As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, according to
$T = 2 π \frac{l}{g}$
$T$ will decrease.

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

increase

decrease

remain same

increase if the child is long and decrease if the child is short

As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, according to T=2πgl​​ T will decrease.

As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, according to
$T = 2 π \frac{l}{g}$
$T$ will decrease.