| A | B |
|---|
| speed | the distance travelled in a given amount of time |
| velocity | the speed and direction of movement |
| acceleration | a change in velocity, or the rate at which the change occurs |
| deceleration | a decrease in velocity over a period of time |
| centripetal acceleration | the force necessary to keep an object moving in a circle and that is directed inward toward the center |
| energy | the ability to cause change or do work |
| potential energy | energy due to the position of an object or the chemical bonds in a substance |
| kinetic energy | the energy of motion |
| gravitational potential energy(G.P.E.) | force of gravity working on an object depending upon object's weight and distance to fall |
| law of conservation of energy | energy can change into other forms of energy but it is not created or destroyed(total amount of energy remains the same) |
