Topic 5 Newton's Third Law

Front

What does Newton's Third Law state?

Back

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

Front

What happens to a balloon when the air is released?

Back

The balloon goes up.

Front

Forces always come in what?

Back

Pairs.

Front

True or False: When you step on a small pebble, the pebble applies an equal and opposite force on your foot.

Back

True.

Front

What is the reaction force when your friend pushes you?

Back

You pushing back on your friend.

Front

Define action force.

Back

The force exerted by one object onto another.

Front

Define reaction force.

Back

The force exerted by the second object back onto the first object.

Front

Give an example of Newton's Third Law in everyday life.

Back

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

Front

What is an example of forces acting in pairs?

Back

A swimmer pushing water backward and the water pushing the swimmer forward.

Front

What is the significance of equal and opposite forces?

Back

They ensure that motion is balanced and predictable.