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10 images of some spherical objects such as golf balls and tennis balls that are made of different materials and used for specific purposes
The game of billiards shows the principles of collisions, momentum & impulse, and kinetics at work!
Pecking puts a lot of force on a woodpecker’s brain. But scientists think woodpecker bodies are adapted to help keep them from being injured during pecking-related collisions.
Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!