Question

A child weighing 30kg is sitting on a swing ,how will the time period of the swing change if
he is joined by another child of same mass ? Justify yoir answer​

Answer 1

Explanation:

Let the distance of 40 kg. from the mean position be 'x' m.

Using principle of moments,

30×2=40×x

x=1.5m.

A boy of mass 40 kg should sit at 1.5m from the middle of see-saw.

Answer 2

Answer:

ok I may check it

Explanation:

I seee this is easy