Inertia is that property of matter where an object in motion tends to stay in motion and an object at rest tends to stay at rest unless an external force acts upon the object.
(Inertia; is; that property of matter where an object in motion tends to stay in motion and an object at rest tends to stay at rest) (an external force; acts; upon the object) (an object in motion; to stay; in motion) (an object in motion; tends; to stay at rest unless an external force acts upon the object) (an object in motion; to stay; at rest)
Inertia an external force an object in motion an object in motion an object in motion
is acts to stay tends to stay
that property of matter where an object in motion tends to stay in motion and an object at rest tends to stay at rest
upon the object
in motion
to stay at rest unless an external force acts upon the object
at rest