The capacity for work or vigorous activity; vigor; power. The capacity of a physical system to do work. energy. The capacity or power to do work, such as the capacity to move an object (of a given mass) by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another.
Freebase (0.00 / 0 votes) Rate this definition: Switch. In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
Today, she shares her favorite switches for people with ALS and talks about how she utilizes them. Whatâs a Switch (aka. ability switch)? A switch is a sensor that can be used by people with very limited movement to turn on/off equipment, click a mouse and interact with a computer or speech generating device. Three Reasons pALS Need Switches. Switches fly out of our Golden West ALS Associationâs AAC Lending Library. Though we have over 20 different switches at our library and demo center, the five listed above are recommended over 90% of the time.