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.

A

Explanation:

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.

Hope That Helped

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.