Newton's Three Laws

What does Newton's First Law, also known as the Law of Inertia, state?

• Force is the product of mass times acceleration.

• Objects in motion tend to stay in motion and objects at rest tend to stay at rest.

• For every action, there is an equal and opposite reaction.

• Gravity is what keeps planets in orbit around the sun.

What must you overcome to get your bicycle moving from a stop?

• Gravity

• Friction

• Inertia

• Momentum

According to Newton's Second Law, what is force a product of?

• Mass and acceleration

• Distance and time

• Speed and direction

• Velocity and time

Why would it be difficult to pedal a 10,000 pound bicycle?

• Because of the Law of Inertia

• Because it would be too fast

• Because you need more force to accelerate it

• Because of high air resistance

What allows you to overcome Newton's Law of Inertia when starting to pedal a bicycle?

• The bicycle's design

• The weight of the bicycle

• The force applied by your legs

• The smoothness of the road

According to Newton's Third Law, what happens when you drop a bouncy ball?

• It accelerates without a force.

• It changes direction spontaneously.

• It bounces back up because of the force the floor exerts on it.

• It stays at rest when it hits the ground.

Why does your bicycle go forward when you pedal?

• Because of the bicycle's design

• Because of the air pushing you forward

• Because the Earth moves backwards

• Because the ground pushes forward against the tires

What forms an action/reaction pair with the ground when you are cycling?

• The bicycle seat

• The bicycle tires

• The bicycle pedals

• The bicycle handlebars