Question

if forces acting on an object are unbalanced, which factor may result from an unbalanced force?
the net force is negative.
there is zero net force.
the forces cancel each other out.
there is no change in motion.

Explanation:

Unbalanced forces mean the net force is non - zero. It can be positive or negative. When forces are unbalanced, they don't cancel each other out and there is a change in the object's motion.

Answer:

The net force is negative.