Assertion: electric motor | /r/HasProperty | simple
Facets:
value: very
type: DEGREE
value: mechanically
type: MANNER
Source sentences:
text: Electric motors are mechanically very simple and often achieve 90% energy conversion efficiency over the full range of speeds and power output and can be precisely controlled.
text: The first electric motors were simple electrostatic devices described in experiments by Scottish monk Andrew Gordon and American experimenter Benjamin Franklin in the 1740s.
text: Compared with a typical four-cylinder internal combustion engine, which has hundreds of moving parts, the electric motor is very simple.