Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
The justification for the interpretation is theoretical analysis of the forced spherical pendulum.
A spherical pendulum is a generalization of the pendulum.
We consider a pendulum that is free to swing equally in any direction, so that the bob can move over a spherical surface - an arrangement known as a spherical pendulum or a conical pendulum.
