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When a ball hits a surface, its kinetic energy deforms its shape. This same energy also goes into pushing the ball back up. The material and the amount of air pressure in a ball affects its ability to bounce.
The greater the air pressure, the bouncier a ball will be.

How do balls bounce? Does it have to do with gravity

scienceline.ucsb.edu/getkey.php?key=2513

Yes, gravity does affect they way balls bounce. Gravity pulls the ball toward the ground, slowing the ball down so that each bounce is shorter and shorter, until ...

Why does a ball bounce? | Reference.com

www.reference.com/science/ball-bounce-9ac6b26c6c24b30f

This displaced energy causes the ball to become deformed. The act of reforming back into the ball shape is what gives the ball its bounce, and its material ...

What makes a rubber ball bounce? | Reference.com

www.reference.com/science/rubber-ball-bounce-1867f95c5bfaccab

Rubber balls bounce due to the release of pressure from rubber's molecules. When rubber meets a stationary object, it builds compressed energy and releases ...

Q & A: why do things bounce? | Department of Physics | University of ...

van.physics.illinois.edu/qa/listing.php?id=111

This pushes the ball back up into the air, and is how a bounce happens. Mats ... Follow-Up #1: bouncing molecules. Q: ... That's what makes the ball pop back.

Sport! Science: That's the Way the Ball Bounces: page 3

www.exploratorium.edu/sports/ball_bounces/ballbounces2.html

Why Do Balls Bounce? Real balls bounce fast, too fast for your eye to see. Harold "Doc" Edgerton used the strobe lights he invented to take the first clear photos ...

Why do rubber balls bounce?

www.york.ac.uk/media/cll/documents/rubberbounce.pdf

When the ball hits the floor these ... If you drop a tennis ball and a bouncy ball on the floor you'll notice that there's a ... So what makes rubber so different to other ...

www.ask.com/youtube?q=What Makes a Ball Bounce&v=QfRXBAgIzwY
May 15, 2011 ... Why Some Balls Don't Bounce | A Moment of Science | PBS - Duration: ... HOW TO MAKE A BOUNCY BALL Easy Kids Science Experiments ...

Why Do Balls Bounce Differently? | LIVESTRONG.COM

www.livestrong.com/article/147292-why-do-balls-bounce-differently/

Jul 4, 2015 ... Using a softball to play basketball or a handball during a tennis match doesn't make sense. Different sports require differently designed balls.

newtonian mechanics - Why does a ball bounce? - Physics Stack ...

physics.stackexchange.com/questions/28922/why-does-a-ball-bounce

May 24, 2012 ... So when a ball bounces, it exerts a force on the floor, which matches the ... but it doesn't give the intuition of momentum-flow, which makes the ...