gravitational force is similar to force of gravity
everything has own_gravitational_force gravity is weak_force. gravity is force_of_nature. gravitational_force_function is force_function. gravity is not force. gravity is force_in_universe. gravitational_force_vector is body_force_vector. gravitational_force_vector is not body_force_vector. gravity is force. gravitational_force_function is not force_function.