Do we need to have two objects two have momentum?

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The discussion revolves around the concept of momentum in physics, specifically whether it is necessary to have two objects to have momentum. Participants express confusion regarding the definitions and relationships between momentum and inertia.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the definitions of momentum and inertia, questioning whether they are synonymous and how they relate to each other. There are inquiries about the ability to calculate momentum and inertia for an object.

Discussion Status

Some guidance has been offered regarding the definitions of momentum and inertia, with participants discussing their qualitative and quantitative aspects. Multiple interpretations of the concepts are being explored, and there is a recognition of the need for precise definitions in scientific contexts.

Contextual Notes

There is an indication that participants may have non-scientific intuitions about the concepts being discussed, which could lead to confusion. The conversation reflects an effort to clarify these terms within a physics framework.

suwarna07
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Do we need to have two objects two have mometum?
I am just confused. Hope someone helps
 
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No. Any and every object has momentum.

Momentum is basically them same as inertia: on objects tendency to maintain its current motion (or its resistance to changing that motion).

Are there any more specific questions or point-of-confusion that you have?
 


zhermes said:
No. Any and every object has momentum.

Momentum is basically them same as inertia: on objects tendency to maintain its current motion (or its resistance to changing that motion).

Are there any more specific questions or point-of-confusion that you have?


tx a lot got it, was just confused with the term.
Now 1 more question can we figure out an objects momentum and its inertia?
 


The two are synonyms, however momentum also means a quantitative value which is the objects mass times its velocity.

p = mv

Inertia is more qualitative, though it is sometimes just equated with mass.
 


I advise you to NOT mix your non scientific intuition about ideas like "momentum", "inertia" and later "Work" - they have precise mathematical a physical definition which you need to know WELL in order to use these ideas to solving problems.
 

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