| A | B |
| Ampere | The unit of electric current in the International System of Units (SI) of units. Referred to as amp and symbolized as A. |
| Energy | The ability to do work. |
| Electrical Current | The net transfer of electric charge (electron movement along a path) per unit of time. It is symbolized as I. |
| Fluid Power | The use of a fluid (liquid or gas) to transmit power from one location to another. |
| Force | The influence on a body which causes it to accelerate. |
| Horsepower | A unit of power in the US Customary Measurement System and Imperial System. It is symbolized as hp. |
| Hydraulic | The use of a liquid flowing under pressure to transmit power from one location to another. |
| Joule | The unit of energy or work done in the International System of Units (SI) of units. It is symbolized as J. |
| Pressure | The force per unit area exerted by a fluid against a surface. |
| Pounds per Square Inch | A unit of pressure in the US Customary Measurement System. It is symbolized as psi. |
| Pneumatic | The use of gas flowing under pressure to transmit power from one location to another. |
| Power | The rate at which work is performed or energy is expended. |
| Revolutions per Minute | A unit of rotational speed. It is symbolized as rpm. |
| Torque | A force that produces or tends to produce rotation or torsion. |
| Velocity | The time rate of change of position of a body. Also known as linear velocity. |
| Viscosity | A measure of a fluid’s thickness or resistance to flow. |
| Volt | The unit of potential difference symbolized as V. |
| Voltage | The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit. |
| Watt | A measure of power equal to one joule of work per second. |
| Work | The energy transferred when a force, F, is applied to an object moving through a distance. d. |