How can the action can describe a movement? What is the argument behind?
18054
Is there a proof from the first principle that the Lagrangian L = T - V?
72055
Explaining Moderation Actions
101709
Explaining the meaning of equality
105374
What happens if the action field in a  has parameters?
26335
How exactly do objects move
66919
When/why does the principle of least action plus boundary conditions not uniquely specify a path?
153050
Variation of Action with time coordinate variations
70734
Entropy and the principle of least action
131976
Does moving leave the object in a usable state?
46682
How can a path animation be used as an action in the game engine?
155977
What is momentum really?
130503
Is "actioned" a valid word?
47821
Term or phrase describing action occuring when not watching
45764
How does the Ready action work?
115948
How do you describe these animals' action/ state before attacking their prey?
105133
Kinematics question - Newton's Law of Motion
48316
Immediate actions during other actions