Objects which are at rest tend to stay at rest unless they are moved by some external force.
(Objects; are; at rest) (Objects which are at rest; tend; to stay at rest unless they are moved by some external force) (Objects which are at rest; to stay; at rest) (they; are moved; by some external force)
Objects Objects which are at rest Objects which are at rest they
are tend to stay are moved
at rest
to stay at rest unless they are moved by some external force
at rest
by some external force