Why can't it work? Perpetual motion machine
59713
Why doesn't this perpetual motion machine using the buoyant force work?
57584
Would a generator in vacuum/space provide electricity endlessly?
155518
Why doesn't friction accelerate a ball undergoing rolling?
102298
Can someone use DC generator along with electric motor to make electricity along with mechanical energy?
131167
Kinetic energy of the object, but Potential energy of the system: Why is it so?
67578
Is this a correct demonstration for why elements above untriseptium cannot exist?
137961
Will Determinism be ever possible?
64664
Will an object resting on a rotating platform move in a frictionless world?
82061
How do chemical propulsion systems not break the law of conservation of energy?
148487
Not able to levitate magnet for magnetic levitation project
30124
Story about machines generating energy with parallel universes, endangering ours
155519
Fan-In/Fan-Out - Circuit - Explain why this circuit does not work
154217
Can't come even near to the solution.. Can somebody take a look?
83770
Kinetic energy doesn't make sense
31498
Will something accelerate forever if a constant force is applied to it on a frictionless surface? If so how?
26439
The problem of instant velocity
109239
Newton's rings experiment