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The flying disc toy uses the trademarked name Frisbee.
Lots of things.In fact, it uses the energy you have to throw the frisbee up. Then the wind level will make it "fly". Then Gravity will pull the frisbee down towards the ground.
it uses different techniques
convex mirror
a concave mirror
Mirror (uses reflection principle), transparent glass sheet (uses refraction principle),etc are the instruments which are used to bend light.
A ball will bounce if the material it is made of has a high elasticity property. That is the property to return to its original shape when deformed. So when a falling ball hits a hard surface the force of the impact will slightly flatten the ball. This is deforming the ball and when the ball snaps back to its original shape there will be forces on the ball by the surface it is in contact with to push the ball back up.
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there are 4 principles. You have to learn them all.
Your question makes no sense
Ohio uses a pennant shape.