The ONLY reason why objects will change velocity (direction and/or speed) is if a force is applied to it.
(objects; will change; velocity (direction and/or speed) (The ONLY reason why objects will change velocity (direction and/or speed; is; if a force is applied to it) (a force; is applied; to it)
objects The ONLY reason why objects will change velocity (direction and/or speed a force
will change is is applied
velocity (direction and/or speed
if a force is applied to it
to it