Question

if there are no unbalanced forces acting on a moving object, what will happen to it?
a it will continue in the same direction with the same speed
b it will continue with the same speed, but its direction may change.
c it will continue in the same direction, but its speed will increase.
d it will continue in the same direction, but its speed will decrease.

Explanation:

According to Newton's first - law of motion, an object in motion will stay in motion with a constant velocity (same speed and direction) if there are no unbalanced forces acting on it.

Answer:

A. It will continue in the same direction with the same speed