The Physics of Football: Roberto Carlos's Kick

In what year did Roberto Carlos perform his legendary free kick?

• 1989

• 1997

• 2001

• 1994

How far was Roberto Carlos from the goal when he took the free kick?

• 30 meters

• 35 meters

• 25 meters

• 40 meters

What law of motion explains the behavior of the ball when kicked?

• Newton's second law

• Newton's first law

• Einstein's theory of relativity

• Newton's third law

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What effect causes the ball to curve in the air?

• The Magnus effect

• The Doppler effect

• The Coriolis effect

• The Butterfly effect

What is the name of the kick that curves like the one performed by Carlos?

• Curveball kick

• Loop kick

• Banana kick

• Spiral kick

Who first documented the Magnus effect?

• Albert Einstein

• Galileo Galilei

• Sir Isaac Newton

• Nikola Tesla

Can you theoretically kick a ball to make it boomerang back to you?

• Yes, easily

• Yes, but very difficult

• No, it's impossible

• Only in space

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What would happen to a ball kicked with enough force to attempt a boomerang effect?

• It would fly away

• It would disintegrate

• It would spiral into smaller circles

• It would explode

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