Which of the following is not a possible effect of a force?
A.Increasing the inertia of an object.
B.Causing a stationary object to begin to move.
C.Changing the direction of an object in motion.
D.Changing the speed of an object already in motion.
Because inertia is defined as the tendency of an object to resist motion. and as mass increases inertia increases. force won't make the inertia increase at all.
