Question

A force is applied to a moving object in the direction of its motion what would happen

Answer 1

it will accelerate the motion of the object the force is working in the direction so it will accelerate

Answer 2

When a force is applied to a moving object any of the following possibilities could arise. The force may act in the same direction as the direction of motion of the object, producing an acceleration in the body, increasing its velocity with the passage of time. This is the case say of a car being accelerated.