Newton's Third Law of Motion

What does Newton's third law of motion state?

• Every action has an equal and opposite reaction

• Every action has a greater reaction

• Every action has a smaller reaction

• Every action has no reaction

In Florida at the Kennedy Space Center, what is an example of Newton's third law of motion?

• Launching rockets into orbit

• Building space shuttles

• Observing stars

• Exploring planets

What is the reaction when a cannonball is shot forward from a cannon?

• The cannon moves backward

• The cannon moves forward

• The cannon stays still

• The cannon rotates

According to Newton, what is the relationship between the amount of force on the first object and the second object?

• The forces of action and reaction are always equal

• The forces of action and reaction are always unequal

• The forces of action and reaction are sometimes equal

• The forces of action and reaction are never equal

If a boxer punches a punching bag with 50 pounds of force, how much force will the punching bag hit the boxer's fist with?

• 50 pounds of force

• 100 pounds of force

• 25 pounds of force

• 10 pounds of force

What is the term for the force that makes it difficult to move a heavy object initially?

• Static friction

• Sliding friction

• Kinetic friction

• Frictionless force

What happens to the friction when you reduce it?

• Less energy is used

• More energy is used

• Friction increases

• Friction decreases

What is an example of sliding friction?

• Rubbing hands together

• Jumping on a trampoline

• Sitting in a chair

• Moving a heavy piece of furniture

What is the purpose of Newton's third law of motion?

• To explain the relationship between action and reaction

• To calculate the speed of objects

• To study the behavior of light

• To understand the properties of matter

What is the reaction when a rocket fires its exhaust downward?

• The rocket moves upward

• The rocket moves downward

• The rocket stays still

• The rocket spins