Yes, swing sets have to pass tests before they are sold to consumers. If there is something defective, there will be a recall sent out on that swing immediately.
The word is swing. Golfers swing the golf club. Children play on a swing at the playground.
the swing
the person on the swing
A simple pendulum.
0.5 Hz
yes
i thing that the energy cannot change
Sure. A pendulum, a child's playground swing, and a bullet shot straight up all have constant acceleration, and all reverse direction.
Yes, the simple machine is a lever if you look at the top of a normal playground swing.
it all has to do with a pendulum when you swing back and forth you are using potenial and kinetic enery
yes and no... third class and second class
the person or whomever is on the swing. :)