Wed 25 Oct, 2017 12:39 am - Gravity is a form of energy since it is capable of doing work (moving objects over a distance). How much gravitational energy exists in the known universe?
Is the total gravitational energy... (view)
Wed 25 Oct, 2017 12:30 am - Capillary action is a form of work, i.e. an object (water) moved by a force (capillary action) over a distance.
Since all work requires energy, what supplies the energy for capillary action? I... (view)
