Why equation of motion doesn't involve derivatives of power greater than 2?
4989
Why are there only derivatives to the first order in the Lagrangian?
101888
Least action principle : is $ \delta \frac{dx}{dt} = \frac{d \delta x}{dt} $ always true?
43492
When motion begins, do objects go through an infinite number of position derivatives?
24150
Newton's third law does not apply to the kinetic energy formula?
48756
Why are derivatives in interaction terms treated differently from derivatives in the kinetic term?
58678
Simple related rates derivative question
29389
Why does $k/m=\omega^2$ for harmonic motion?
142531
If angular velocity & angular acceleration are vectors, why not angular displacement?
53616
Boundary condition with spatial derivative is ignored by NDSolve
150133
Why is work scalar and the dot product of force and displacement?
4821
Why does kinetic energy increase quadratically, not linearly, with speed?
66919
When/why does the principle of least action plus boundary conditions not uniquely specify a path?
69854
Why is there a minus sign in this wave equation derivation?
1246
Differences between derivatives and strong derivatives
24449
How discontinuous can a derivative be?
19975
Why are there only two tangents to a hyperbola from a point, instead of four?
152895
What is wrong with this derivation of $\frac{d}{dx}x^2$?