Newton's Laws of Motion: Translation & Angular Forms, Assumptions & Equivalence

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The discussion focuses on Newton's Laws of Motion, specifically their translation and angular forms, and the equivalence of these expressions. The three laws are articulated as: 1) An object in motion stays in motion unless acted upon by a force; 2) Force equals mass times acceleration (F=ma) and its angular equivalent Torque equals moment of inertia times angular acceleration (T=Iα); 3) For every action, there is an equal and opposite reaction. The assumptions for their application in classical mechanics include the constancy of mass and the absence of external forces. The equivalence of these forms is established through their derivation from fundamental principles of momentum and energy.

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please write down the three Newton's laws of motion in both translation and angular forms, including their "equivalent" expressions of Newton's second law. what are the assumptions for their application in classic mechanics? are those "equivalent" forms really equivalent? why?

this is from my mid-term. i don't know how to answer this though it seems simple. in fact, i don't really understand what the question is about. especially the ""equivalent" part.
can anyone please help me with it? Thank you.
 
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I think they mean that they want you to explain why there is an angular "equivalent" of
[tex] F=ma[/tex]

which looks like

[tex] T=I\alpha[/tex]
 
theirs also
[tex]I = F \Delta t[/tex]

in relation to momentum and

[tex]E_k = \frac{1}{2}mv^2[/tex]

as it derives from F = ma, so it would be 2nd law in terms of energy.
 

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