Newton's 3rd Law

Front

What does Newton's 3rd Law state?

Back

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

Front

What is meant by 'exerts' in the context of forces?

Back

To apply or to produce a force.

Front

If a small car pushes a big truck, what happens according to Newton's 3rd Law?

Back

The truck applies an equal and opposite force on the car.

Front

What is the relationship between action and reaction forces?

Back

They are always equal in magnitude and opposite in direction.

Front

What happens when a person pushes down on a trampoline?

Back

The trampoline pushes back with an equal and opposite force, causing the person to move back up.

Front

What is an example of Newton's 3rd Law in everyday life?

Back

When you jump off a small boat, the boat moves backward.

Front

What is the significance of the term 'equal and opposite' in Newton's 3rd Law?

Back

It means that forces come in pairs that are equal in strength but opposite in direction.

Front

How does Newton's 3rd Law apply to walking?

Back

When you push backward on the ground, the ground pushes you forward with an equal force.

Front

What is an action force?

Back

A force that one object exerts on another object.

Front

What is a reaction force?

Back

The force that responds to an action force, equal in size and opposite in direction.