To show how gravity acts on the ball, I am be going to throw the ball in the air. While the ball is in the air I will explain how gravity acts on the tennis ball. Gravity acts on the tennis ball by the gravitational pull on the ball, to bring the ball back down to earth.
Can we see what it feels like to have zero gravity?
What happens if we didn't have any gravity?
Sure if you want to see what it feels like.
If we didn't have any gravity we would fly into space.
This is how zero gravity feels. This is so cool. Also, I don't know how to get down from here.
I don't like zero gravity. WHAT! You don't know how to get down from here. Now can we please figure out how to get down.
How does sliding friction act on the sleigh?
Sliding friction acts the sleigh by the snow being slippery. This allows the sleigh to go down the hill. If the snow wasn't slippery the sleigh to go fast down the hill.
How does sliding friction act on a person sliding down a slide?
Sliding friction acts on a person going down a slide by the friction going against gravity. it slows down your descent when going down a slide.