Cortana is an intelligent personal assistant created by Microsoft for Windows Phone 8.1 and Windows 10 (where it now supersedes Bing Mobile), Microsoft Band, Windows 10, and coming to iOS, Android, and the Xbox One.
a force which is the result of two or more forces acting conjointly, or a motion which is the result of two or more motions combined. See Composition of forces, under Composition.
The force exerted by a spring is called a restoring force; it always acts to restore the spring toward equilibrium. In Hookeâs law, the negative sign on the springâs force means that the force exerted by the spring opposes the springâs displacement. Hookeâs law says. F = âkx.