Keep an object at a certain hight, does it require energy?
3471
Why does holding something up cost energy while no work is being done?
151221
Does a cooling object lose mass as it radiates?
43766
Earth moves how much under my feet when I jump?
146039
Is it always possible to define energy of a system?
86806
When you lift a box from the floor, the potential energy changes but kinetic energy does not change. Does it violate conservation of energy?
48979
Work done by gravity on falling object does not seem to equal change in mechanical energy
20997
Can an electron jump to a higher energy level if the energy is insufficient or exceeds the $\Delta E$?
119346
How far apart do two objects have to be for there to be negligible force between them?
120159
Dependence of fluid pressure being on height and not mass
142081
Can something without mass exert a force?
100959
Is conservation of momentum and energy valid for non-inertial frames?
106696
Can I configure a Redstone Energy Cell to emit a redstone signal if it is full?
24109
How much more net energy do I use walking up hill?
62773
How wide does a wall of ice need to be to stay in place?
129242
Is temperature a Lagrange multiplier of energy?
145451
Limit position rigidbody
120431
Vertical space before environments