How to debunk this perpetual motion machine?
921
Can magnets rotate infinitely?
56428
Wrong calculation of work done on a spring, how is it wrong?
6080
Is this kids experiment a legitimate way to show that air has mass?
90626
Work in circular motions
127733
How to prove De Morgan’s laws without using contradictions
141474
Prove the Total Mechanical Energy of the System is Conserved via Differential Equations
85204
Winding numbers are continuous: The proof was too easy
59713
Why doesn't this perpetual motion machine using the buoyant force work?
32697
How can you solve this "paradox"? Central potential
93795
What is the physics of a spinning coin?
69108
A question about a debouncing circuit
43289
Does recent paper show Bohmian mechanics is correct?
30498
Energy conservation and interference
35559
Vibration to Torque: Magic Motor
30124
Story about machines generating energy with parallel universes, endangering ours
147388
Why do these two ways of understanding constant acceleration give different results?
57672
Trying to get all this terminology straight in logic