牛頓第三定律的英文表述可以是：
1. Newton's Third Law of Motion
2. Action and Reaction Law
3. Law of Equal and Opposite Reactions
4. Law of Action and Reaction
這些表述都反映了牛頓在《自然哲學(xué)的數(shù)學(xué)原理》一書中提出的關(guān)于作用和反作用的基本原理。
Example:
Question: What is Newton's third law of motion?
Answer: The third law of motion states that all bodies act on each other, and the amount of force they exert on each other is equal in magnitude but opposite in direction.
Now, let's apply this law to a simple example. Consider two blocks, A and B, placed on a frictionless surface. Block A has a mass of 2 kg and is pushed with a force of 5 N, while block B remains stationary.
According to Newton's first law of motion, block B will experience a force of 5 N in the opposite direction due to the action-reaction principle. This force will cause block B to accelerate in the opposite direction with an equal and opposite magnitude of 5 m/s^2.
On the other hand, block A will also experience a force of 5 N in the opposite direction due to the action-reaction principle. However, this force will not cause block A to accelerate because it is already at rest. The net force on block A is zero, and it remains at rest.
Therefore, according to Newton's third law, every action has an equal and opposite reaction, which applies to all physical interactions, including collisions and pushes.
