If F(action) =F(reaction), why doesn't a ball bounce to its original height?
52230
Why doesn't Newton's third law mean a person bounces back to where they started when they hit the ground?
61964
Is the principle of least action a boundary value or initial condition problem?
143849
How to define mathematical functions by the action on an element?
26085
Why is the action dimensionless in natural units?
11877
Does the force of kinetic friction increase with the relative speed of the objects involved? If not, why not?
122902
Kinetic energy conservation in a collision
62189
Equal and opposite reaction - forces coming in pairs - or just common sense?
62698
Multiple colliding balls
63069
Why the Principle of Least Action?
156334
Why force $F$ is equal to $ma$ and not $mv$?
94686
A bug I can't seem to spot, faulty logic?
48979
Work done by gravity on falling object does not seem to equal change in mechanical energy
140986
Can the kinetic energy be a function of the position vector?
66919
When/why does the principle of least action plus boundary conditions not uniquely specify a path?
53006
How is frictional force dependent on normal reaction?
83375
Can momentum be conserved in a perfectly elastic collision?
31837
Why does Newton's Third Law actually work?