Newton’s 3rd Law Of Motion Definition
Newton's 3rd Law of Motion states that for every action, there's an equal and opposite reaction. For example, a rocket moves upwards as gases are expelled downwards.
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Newton’s Laws of Motion
Fun Facts
- A ball bounces back with an equal force when thrown down.
- When water squirts one way, the hose handle moves the opposite way.
- A balloon moves in the opposite direction of air pushing out.
Why Do We Need To Know About Newton's 3rd Law Of Motion
Newton’s 3rd law of motion tells us that every action has an equal and opposite reaction, which helps us understand how things move together. This idea is important for engineers who design things like rockets and water jets. For example, rockets move up because they push gases out downwards, and water jets, like the ones used in flyboards, work by pushing water out to lift the rider up.
This law is also used to make cars safer. Engineers use it to design airbags and parts of the car that squish to absorb shock in a crash, protecting the people inside. These examples show how Newton’s 3rd law is key to making safe and effective transportation.
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