Newton's Third Law of Motion  Summary and Q&A
TL;DR
Newton's third law states that for every action, there is an equal and opposite reaction.
Key Insights
 👮 Newton's third law states that for every action, there is an equal and opposite reaction.
 👮 This law applies to both everyday situations and larger scale scenarios.
Transcript
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Questions & Answers
Q: What does Newton's third law state?
Newton's third law states that every action has an equal and opposite reaction. When one object exerts a force on another object, the second object exerts an equal force in the opposite direction.
Q: Can you provide some examples of Newton's third law in action?
Examples of Newton's third law include a fist punching a face, where the force exerted by the fist is met with an equal force exerted by the face in the opposite direction. Another example is a basketball being pushed by a hand; the basketball pushes back on the hand with the same force.
Q: Why is Newton's third law considered nonintuitive?
Newton's third law can be nonintuitive because it is not always apparent that when an object exerts a force on another, an equal force is exerted in the opposite direction. It may seem like one object is doing all the "work," but in reality, both objects experience equal and opposite forces.
Q: How does Newton's third law apply to larger scale scenarios, such as the Earth and a person standing on it?
Newton's third law applies to the Earth and a person standing on it by stating that the force with which the Earth pulls the person down is met with an equal force exerted by the person on the Earth. This is why the person does not fall through the Earth.
Summary & Key Takeaways

Newton's third law states that when an object exerts a force on another object, the second object exerts an equal force in the opposite direction.

This law can be observed in everyday situations, such as a fist punching a face or a tree pushing back when pressure is applied.

The law also applies to larger scale scenarios, such as the force between a person standing on the Earth and the Earth itself.