| A | B |
| Ampere | The unit of electric current in the meter-kilogram-second (MKS) system |
| Electrical Current | Push or force used to move electrons. |
| Force | The influence on a body which causes it to accelerate. |
| Horsepower | The unit of power in the British engineering system equal to 550 foot-pounds per second. |
| Hydraulic | Operated or affected by the action of water or other fluid of low viscosity. |
| Joule | The unit of energy or work in the MKS system equal to the work done by a force of one Newton-meter. |
| Pneumatic | Pertaining to or operated by air or other gas |
| Power | The rate at which work is done. |
| Torque | A twisting force |
| Velocity | The time rate of change of position of a body. Also known as linear velocity. |
| Viscosity | A measure of the thickness of a liquid |
| Voltage | The net transfer of electrical charge per unit time. |
| Watt | A measure of power equal to one joule of work per second |
| Work | The physical or mental effort expended in the performance of a task. |