Learn the basis of work and energy
Physics is so beautiful if you have someone who explain it.
Energy is a concept of the utmost importance in Physics. We can define the energy as the ability to do work. The energy of a body can vary only if there is a transfer of energy from the surroundings to the body itself.
What does vary the kinetic energy? If a force acting on the particle, the work done by this force between the initial and final point.
So if you want to know everything about it, for your next physics test at school you only have to click on the video and discover all the secrets of this incredible major!
If you are looking for more physics tutorial watch out our science section, it's a well of science!