Physics of Bouncing Balls

What are the two main factors that affects the way a ball bounces?

• The material of the ball

• The surface on which the ball bounces

• The size of the ball

• The temperature of the ball

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What happens to the shape of a ball when it hits the floor?

• The ball expands

• The ball remains unchanged

• The ball deforms and flattens

• The ball becomes flat

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Which type of surface does not allow ball to bounce back higher and faster?

• Wood or concrete

• Rubber or plastic

• Styrofoam or cork

• Metal or ceramic tile

How does temperature affect the bounce of an inflated ball?

• Colder temperature increases bounce

• Warmer temperature increases bounce

• Bounce is unpredictable with temperature changes

• Temperature has no effect on bounce

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What happens to the outer covering of a tennis ball during play?

• It becomes heavier

• It becomes smoother

• It becomes more bouncy

• It wears off gradually

What type of energy does a ball have when it is held in the air?

• Thermal energy

• Potential energy

• Electrical energy

• Kinetic energy

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What happens to the velocity of a falling ball?

• It becomes zero

• It remains constant

• It increases

• It decreases

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What is the main reason for a ball to bounce higher?

• Higher potential energy

• Lower kinetic energy

• Lower potential energy

• Higher kinetic energy

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Which sport requires a ball with a solid core?

• Baseball

• Tennis

• Basketball

• Golf

Rubber balls bounces better than Styrofoam because of their

• Kinetic Energy

• Potential Energy

• Gravity

• Elasticity