If 2 pendulums of equal lengths are taken and suspended from an elastic string, they have same natural frequency and thus if one pendulum is displaced from mean position, the other also starts vibrating under resonance. But why there is a sharing of or transfer of energy between them and why their vibrations are in phase i.e., why when one amplitude is maximum, then the other pendulum has minimum amplitude?

If 2 pendulums of equal lengths are taken and suspended from an elasti

1.	If 2 pendulums of equal lengths are taken and suspended from an elastic string, they have same natural frequency and thus if one pendulum is displaced from mean position, the other also starts vibrating under resonance. But why there is a sharing of or transfer of energy between them and why their vibrations are in phase i.e., why when one amplitude is maximum, then the other pendulum has minimum amplitude?
Answer» If 2 pendulums of equal lengths are taken and suspended from an elastic string, they have same natural frequency and thus if one pendulum is displaced from mean position, the other also starts vibrating under resonance. But why there is a sharing of or transfer of energy between them and why their vibrations are in phase i.e., why when one amplitude is maximum, then the other pendulum has minimum amplitude?