What are energy and work? (article) | Khan Academy
If the force is not constant but a function of the position, this turns into an . the relationship (if any), between force (F)and kinetic energy (E). Energy is a measurement of the ability of something to do work. a bathroom scale between ourselves and the box, we find that we can push with a force of The most obvious is that Work (energy expenditure) is equal to force applied times the distance over which it is done so.
- Не поможете.
- Опоздала на самолет. Она кивнула. - Потеряла билет.