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Results tagged with classical-mechanics
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user 5129
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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Question Based On Galileo's Law Of Falling Bodies
Galileo discovered that the distance fallen is proportional to the square of the time it has been falling.Why is it proportional to the square of the time and not just time?
i.e $d \propto t^2$ why no …
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Having Trouble With The Principle Of Conservation Of Momentum For a Multiparticle System
The answer is this:$$\sum_{\alpha}\sum_{\beta\neq\alpha}F_{\alpha\beta}=\sum_{\alpha}\sum_{\beta>\alpha}(F_{\alpha\beta}+F_{\beta\alpha})$$
We conclude that $$\dot{P}=\sum_{\alpha}F^{ext}_{\alpha}\equ …
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Question Concerning Dimensional Analysis
In the first lecture of MIT's Classical Mechanics Professor Lewin talks about Dimensional Analysis.He talks about an apple being dropped from a certain height can be quantitatively expressed as the fo …
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Having Trouble With The Principle Of Conservation Of Momentum For a Multiparticle System
I'am reading John Taylor's Classical Mechanics chapter 1 page 20 where he proves the principle of conservation of momentum which states "If the net external force $F^{ext}$ on an $N$-particle system i …
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Are Uncertainties in Measurements Important?
In the first lecture of MIT's Classical Mechanics Prof. Lewin highlights the importance of uncertainties in measurements by quoting "Any measurements, without the knowledge of uncertainty is meaningle …
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