an object at rest tends to stay at rest until it is acted upon by an outside force.
(an object at rest; tends; to stay at rest until it is acted upon by an outside force) (an object at rest; to stay; at rest; T:until it is acted upon by an outside force) (it; is acted; T:upon; by an outside force)
an object at rest an object at rest it
tends to stay is acted
to stay at rest until it is acted upon by an outside force
at rest T:until it is acted upon by an outside force
T:upon by an outside force