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Results tagged with classical-mechanics
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user 368712
Classical mechanics discusses the behaviour of macroscopic bodies under the influence of forces (without necessarily specifying the origin of these forces). If it's possible, USE MORE SPECIFIC TAGS like [newtonian-mechanics], [lagrangian-formalism], and [hamiltonian-formalism].
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In the flow equation in Lecture 9 from Susskind’s ‘Classical Mechanics’, why is there a nega...
Lecture 9 of Susskind’s ‘Classical Mechanics’ has a section titled ‘Flow and Divergence’ (pages 165-167). The section discusses flow in a box with side lengths $dx$, $dy$ and $dz$. He says that if the …
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In equation (3) from lecture 7 in Leonard Susskind’s ‘Classical Mechanics’, should the deriv...
Here are the equations. ($V$ represents a potential function and $p$ represents momentum.)
$$V(q_1,q_2) = V(aq_1 - bq_2)$$
$$\dot{p}_1 = -aV'(aq_1 - bq_2)$$
$$\dot{p}_2 = +bV'(aq_1 - bq_2)$$
Should th …
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Is there an error in Susskinds' derivation of Euler-Lagrange equations?
Here are my thoughts (I may be wrong). The first equation states the action which is the integral of the Lagrangian with respect to time. Integrating is the equivalent of finding the areas of strips, …