ara: كتلة ساكنة

Information
has URI	http://lexvo.org/id/term/ara/%D9%83%D8%AA%D9%84%D8%A9%20%D8%B3%D8%A7%D9%83%D9%86%D8%A9

Meaning
means	(noun) (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body rest mass