Repulsion between two magnets
3386
How can magnets be used to pick up pieces of metal when the force from a magnetic field does no work?
88403
Will the electrostatic force between two charges change if we place a metal plate between them?
93038
Switching temperature of two objects
35904
What does it mean for two objects to "touch"?
101261
Magnetic Potential Energy
106630
Permanent Magnet Lines & Currents:
131249
How can I "squeeze" a game object when it is pressed between two others?
119346
How far apart do two objects have to be for there to be negligible force between them?
83356
Potential difference between two assymetrically charged plates
1427
What prevents this magnetic perpetuum mobile from working?
120414
Separate two objects along an axis
25116
How to make an (open) object behave like rubber when penetrated by another
204
How does a magnet work?
36690
Buoyant force when object is between two liquids
18342
Why two objects get charged by rubbing?
4574
Two figures side by side
82740
How strong of a magnet would be needed to mess up this hardware?