Classical Mechanics Lectures 20 | Central forces and Two-body Problem | MSc Physics Lectures

Classical Mechanics Lectures 20 | Central forces and Two-body Problem - MSc Physics Online Classes - Classical Mechanics for CSIR NET Physics - Hamiltonian mechanics Lecture 20 - Today, we will learn the definition, notation, and representation for the central force. Then, we explore how the number of degrees of freedom of a two-body problem can be reduced.

Recommended Readings:
Thornton and Marion. Classical Dynamics of Particles and Systems.
H. Goldstein. Classical Mechanics. 3rd edition.

Classical Mechanics Lectures for JEST, CSIR NET, and GATE physics

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[sampadsaha]

Sir at 21:30 we concluded that V doesn't depend on r1 & r2 but only on r. My question is since the value of r depends on the values of r1 & r2, shouldn't the V also depend on r1 & r2?

[VHL_RJUN]

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[ADITYARAJ-nhvf]

Sir, what is motivation behind assuming center of mass that is total mass of the system is concentrated at some point ????

[kumarrahul]

Sir how can we prove that gravitational/ electrostatic force is a central force ..? Because just saying " these forces acts along the line joining them " do not satisfy me