Variational Principle in Statics Variational Principle in Statics under Constraints Variational Principle in Dynamics

- solve the equation of motion of simple pendulum
- equation of motion of simple pendulum
- external torque

- solve the equation of motion of damped pendulum
- equation of motion of damped pendulum
- external torque

Variational Principle in Dynamics under Constraints

- solve the equation of motion of simple pendulum (Cartesian)
- equation of motion of simple pendulum (Cartesian)

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