How to measure power used to sustain something in a (gravitational) field?
3471
Why does holding something up cost energy while no work is being done?
147954
Relation between power and energy
4132
What is the closest general-relativistic equivalent of a "time slice"?
17121
Kinetic energy with respect to different reference frames
5744
What force does the dynamometer show in this case?
68467
How to determine whether a wave is travelling or standing?
99056
How would I go about detecting monopoles?
30498
Energy conservation and interference
158332
How can we show that pressure is exerted sideways too?
40312
How to quickly identify perfect powers
119004
Proof of conservation of energy?
43961
Work done against gravity
52502
Conservation of Energy in a magnet
44017
If an object rests on a table, not accelerating, how much work do both the object and the table do?
56297
What is the status of existing measurements of the speed of gravity?
72129
Finding the correct units for the energy-momentum tensor?
134218
Good way to compute the force of a hammer blow?