A point charge q1 = -2.1 μC is located at the origin of a co-ordinate system. Another point charge q2 = 6.8 μC is located along the x-axis at a distance x2 = 7 cm from q1. 1) What is F12,x, the value of the x-component of the force that q1 exerts on q2? N    2) Charge q2 is now displaced a distance y2 = 3 cm in the positive y-direction. What is the new value for the x-component of the force that q1 exerts on q2? N    3) A third point charge q3 is now positioned halfway between q1 and q2. The net force on q2 now has a magnitude of F2,net = 7.4 N and points away from q1 and q3. What is the value (sign and magnitude) of the charge q3? μC

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Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.