What is an example of Newton’s 3rd law of motion?
Newton’s third law of motion, also known as the law of action and reaction, states that for every action, there is an equal and opposite reaction. This principle is fundamental in understanding the dynamics of motion and forces in various physical situations. One classic example of this law in action is the propulsion of a rocket.
Rockets operate on the principle of Newton’s third law. When a rocket is launched, it expels gases at high speeds out of its nozzle. According to the law, the gases exert a force on the rocket in one direction, propelling it forward. Simultaneously, the rocket exerts an equal and opposite force on the gases, pushing them backward. This reaction force is what causes the rocket to accelerate and move through the air or space.
This example demonstrates the interplay between action and reaction forces. The gases expelled from the rocket are the action, and the rocket’s forward motion is the reaction. The law emphasizes that forces always occur in pairs, and they are equal in magnitude but opposite in direction.
Another everyday example of Newton’s third law is when you push a wall. When you apply a force to the wall, the wall applies an equal and opposite force back on you. This is why you feel a push back when you push against a solid object. The wall’s reaction force prevents you from moving it easily.
In summary, Newton’s third law of motion is a fundamental principle that explains the relationship between action and reaction forces. From the propulsion of rockets to the interaction between objects in everyday life, this law plays a crucial role in understanding the dynamics of motion and forces.
