According to Newton's First Law, what potential impact can an unbalanced force can have on an object in motion?

Question

a
An unbalanced force can only change the object's direction
b
An unbalanced force can change both the object's direction and speed
c
An unbalanced force will have no impact on an object in motion
d
An unbalanced force can only change the object's speed

Answer 1

b
An unbalanced force can change both the object's direction and speed.