Structure and Interpretation of Classical Mechanics

.

Let be a function of and only, with total time derivative

Show explicitly that the Lagrange equations for are identically zero, …

~~~

[guess]

The Lagrange equation:

.

Eq. (1.114):

.

Put into the Lagrange equation:

.

Assume that :

.

Prove that .

.

If depends on only, then will depend on only.

[guess]

— Me@2022-06-03 09:04:37 PM

.

.

2022.06.05 Sunday (c) All rights reserved by ACHK