Newton's Third Law Simplified Revision Notes for GCSE AQA Physics Combined Science

Revision notes with simplified explanations to understand Newton's Third Law quickly and effectively.

Learn about Newton's Laws of Motion for your GCSE Physics Combined Science Exam. This Revision Note includes a summary of Newton's Laws of Motion for easy recall in your Physics Combined Science exam

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5.7.4 Newton's Third Law

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Whenever two things interact, they push or pull on each other with forces that are equal in strength but opposite in direction. This law applies to all interactions, no matter the objects involved.

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Example: Paddling a Canoe When you use a paddle to push on the water:

The paddle pushes the water backwards.
At the same time, the water pushes the paddle forward with the same force but in the opposite direction.

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More Examples

Rocket Taking Off:
The rocket pushes gases out of its engines.
The gases push back with equal force in the opposite direction, lifting the rocket into the air.
A Book on a Table:
The book's weight pushes down on the table.
At the same time, the table pushes up on the book with equal force, holding it in place.

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