Tennis 2
Published on Nov 21, 2015
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Sliding friction
Sometimes when I go to hit the ball and it's really close to the ground your racket can slide on the ground.
Photo by Kol Tregaskes
Rolling friction
When you don't hit the ball the ball will soon start rolling because friction is slowing the ball down.
Photo by Manarianz5
Fluid friction
When you hit the tennis ball and it's in the air that's an example of fluid friction because friction is slowing the ball down so it will hit the ground.
Photo by Bradley Wells
Balanced force
When you hit the tennis ball and it gets stuck in the net that is an example of balanced force because it stops the ball.
Photo by benchristen
Unbalanced force
When you swing at the ball with your racket that's an example of unbalanced force because the force isn't stopping the racket.
Photo by Bradley Wells
Inertia
In warm ups when we push against the wall it's inertia causes it not to move I know this because the wall doesn't move.
Photo by Ian Wedlock
Reference point
In tennis the ball is in motion with the reference point with the net.
Photo by r.nial.bradshaw
