What is the main force that pulls an apple towards the Earth when it is hanging from a tree?

• Gravity

• Friction

• Inertia

• Thrust

According to Newton's first law, what will happen to a body at rest if no external force acts upon it?

• It will remain at rest.

• It will start moving.

• It will accelerate.

• It will change direction.

In a bumper car collision, what law explains the force experienced by both cars?

• Newton's Third Law

• Newton's First Law

• Newton's Second Law

• Law of Gravity

What is the term for the force that propels a rocket upwards by expelling fuel downwards?

• Thrust

• Gravity

• Friction

• Inertia

The force acting upon an object is equal to the mass of the object times its ___.

Newton's laws can be used to analyze the past and predict the ___.

The rocket must overcome the force of ___ to launch into space.