Newton's 3rd Law: Action-Reaction

Front

What is Newton's 3rd Law of Motion?

Back

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

Front

If a force of 1,000 N is applied to an object, what force does the object exert back?

Back

1,000 N.

Front

What happens to a boat when a person steps out of it onto the dock?

Back

The boat moves backward.

Front

When a bug hits a bus, what can be said about the forces involved?

Back

The bus and the bug apply equal and opposite forces to one another.

Front

What is an example of action-reaction forces in roller skating?

Back

If Jenny pushes Johnny, Johnny pushes back on Jenny with an equal force.

Front

What is the relationship between action and reaction forces?

Back

They are equal in magnitude and opposite in direction.

Front

How do action-reaction forces affect motion?

Back

They can cause objects to move in opposite directions.

Front

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

Back

Walking: when you push down on the ground, the ground pushes you up.

Front

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

Back

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

Front

If a person jumps off a small boat, what happens to the boat?

Back

The boat moves backward due to the reaction force.