Applying Forces to an Object (Newton's 3rd Law)
Newton's third law says that all forces come in pairs that are equal in strength but act in opposite directions.
Think about how it would feel if you kicked a concrete wall really hard. You push against the wall with your foot. In the same way, the wall pushes back with the same amount of force. That's why your foot hurts so badly!
to see the full lesson.
No account yet? Sign up here
- the first 10 days are free!