Newton's third law

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Thân thiện
Definition

Noun: - Newton's third law: A fundamental principle of classical mechanics stating that for every action (force) there is an equal and opposite reaction. This means that when one object exerts a force on a second object, the second object simultaneously exerts a force equal in magnitude and opposite in direction on the first object.

Usage Examples
  • Noun:
    • The rocket's propulsion is a classic demonstration of Newton's third law.
    • When you push against a wall, the wall pushes back on you with equal force, illustrating Newton's third law.
Advanced Usage
  • "To obey Newton's third law": To behave in accordance with the principle.
    • All interaction forces between two objects must obey Newton's third law.
  • "A consequence of Newton's third law": A result or effect stemming from the law.
    • The conservation of momentum is a direct consequence of Newton's third law.
Variants and Related Words
  • Third law of motion: A synonymous phrase for Newton's third law.
    • The third law of motion is essential for understanding forces in pairs.
  • Action-reaction pair: The specific pair of forces described by the law.
    • Identifying the action-reaction pair is a key step in applying the law correctly.
Synonyms
  • Law of action and reaction: An alternative name for the same physical principle.
Related Phrases
  • "Equal and opposite": The core descriptive phrase from the law's common formulation.
    • The forces are always equal and opposite.
Noun
  1. action and reaction are equal and opposite

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