When you are having fun at the swimming pool, you may have discovered it is not easy to stay at the bottom of the swimming pool. Why? Why doesn’t water pin you down to the floor? Why does water try to push you up instead?
When you are having fun at the swimming pool, you may have discovered it is not easy to stay at the bottom of the swimming pool. Why? Why doesn’t water pin you down to the floor? Why does water try to push you up instead?
