Final answer:
The subject primarily concerned with the uniformly accelerated motion of two particles is Kinematics. Kinematics is a branch of physics that deals with the motion of objects without considering the forces causing the motion.
Step-by-step explanation:
The subject primarily concerned with the uniformly accelerated motion of two particles is Kinematics. Kinematics is a branch of physics that deals with the motion of objects without considering the forces causing the motion.
In the case of uniformly accelerated motion, the particles are moving with a constant acceleration. This can be represented by equations such as the equations of motion and the equations for calculating velocity and displacement.
For example, if two objects are traveling in a straight line with the same acceleration, kinematics can be used to calculate their velocities and positions at any given time.