The Science Behind Car Crashes

What is the property of matter that causes it to resist any change in its state of motion?

• Gravity

• Inertia

• Momentum

• Friction

According to Newton's First Law of Motion, what will a body at rest do?

• Accelerate

• Remain at rest

• Start moving

• Change direction

What is the formula for Newton's Second Law of Motion?

• F=mv^2

• p=mv

• E=mc^2

• F=ma

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What is the term for the product of an object's mass and velocity?

• Force

• Impulse

• Inertia

• Momentum

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Why are seatbelts important in a car crash?

• They increase the car's speed

• They prevent the car from crumpling

• They reduce the car's mass

• They help the occupant decelerate with the car

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What does a 'g' represent in the context of car crashes?

• A unit of velocity

• A unit of mass

• A unit of acceleration or deceleration

• A unit of force

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What happens to the momentum of two identical cars traveling at 30 miles per hour when they collide head-on?

• It cancels out

• It triples

• It doubles

• It remains the same

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What is the term for the total quantity of motion that is conserved in a collision?

• Impulse

• Inertia

• Kinetic Energy

• Momentum

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What type of energy is primarily concerned with motion-related energy in car crashes?

• Thermal Energy

• Nuclear Energy

• Chemical Energy

• Kinetic Energy

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What is the formula for calculating kinetic energy?

• KE = mgh

• KE = mv

• KE = 1/2 mv^2

• KE = ma