Speed is the rate at which an object covers a distance. Velocity not only determines the speed of the object in motion but also the direction of the object in motion.

Energy is the capacity for doing work. It is the measure of how much fuel is contained within something, of how much work can it accomplish. It is the amount of power consumed in accomplishing work. Power, on...

Axiom and theorem are statements that are most commonly used in mathematics or physics. An axiom is a statement that is accepted as true. It does not need to be proven. A theorem, on the other hand, is a...

Kinetic energy is the energy of an object in motion. Potential energy is the energy that an object has when it is at rest.

Mass is the amount of matter in an object and it is always the same, while weight is the force of gravity on an object and constantly differs.