Exploring Newton's Third Law: How We Move Foward

In summary, the conversation discusses the concept of Newton's 3rd law and its application in explaining why we move forward. It is mentioned that this law is often misunderstood and can be difficult to identify in practice.
  • #1
UrbanXrisis
1,196
1
Why we move foward:

The applied force from our foot pushs on the Earth and therefore, according to Newton's 3rd law, the Earth pushes back on me to make me move foward.

Yeah, this is like basic material, but just need a verification, is this correct?
 
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  • #2
In a word - "yes!" :-)
 
  • #3
I'll second that, and add that this is really not such a stupid question at all. Newton's 3rd Law is the most misunderstood high-school physics concept.
 
  • #4
I'll second Gokul's comment. I sure as hell can't identify an action-reaction pair when I see one so I don't even bother to answer those questions for people.
 

FAQ: Exploring Newton's Third Law: How We Move Foward

What is Newton's Third Law?

Newton's Third Law states that for every action, there is an equal and opposite reaction. This means that if an object exerts a force on another object, the second object will exert an equal and opposite force back on the first object.

How does Newton's Third Law relate to movement?

Newton's Third Law explains how objects move. When an object exerts a force on another object, the second object will exert an equal and opposite force back. This force will cause the first object to move in the opposite direction of the force it exerted.

Can you provide an example of Newton's Third Law in action?

One example of Newton's Third Law is when you push against a wall. The wall exerts an equal and opposite force back on you, causing you to stay in place. Another example is when a rocket propels itself forward by expelling gas in the opposite direction.

How does Newton's Third Law impact everyday activities?

Newton's Third Law impacts everyday activities in many ways. For example, when you walk, your feet push against the ground, and the ground pushes back, propelling you forward. When you sit in a chair, your weight pushes down on the chair, and the chair pushes up on you, keeping you in place.

Are there any exceptions to Newton's Third Law?

While Newton's Third Law holds true in most situations, there are some exceptions. In cases of non-contact forces, such as gravity or magnetism, there may not be a direct opposite force. Additionally, when an object is in motion due to a single force, there may not be an equal and opposite force acting on it.

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