it all has to do with a pendulum when you swing back and forth you are using potenial and kinetic enery
About 200 calories per hour.
Swinging, swing
The word is swing. Golfers swing the golf club. Children play on a swing at the playground.
It can be (a swinging door). It is the present participle of "to swing."
the swing
the person on the swing
The present tense of "swing" is "swings."
The present participle of "swing" is "swinging."
The world record for continuous swinging on a playground swing is 32 hours and 3 seconds. It was achieved by Dylan Tayler in Australia in 2018.
creaked, groaned, drifted
A swinging swing.
that depends on the swing....