Question

______ is any motion of a body where gravity is the only force acting upon it. velocity mechanics kinematics free fall

Explanation:

Free - fall is defined as the motion of a body where gravity is the only force acting on it. Velocity is a measure of the rate of change of position. Mechanics is the branch of physics dealing with the motion of bodies and the forces acting on them. Kinematics is the part of mechanics that describes motion without considering the causes of motion.

Answer:

D. free fall