According to work-energy theorem, change in energy is as a result of work done ky a force on an object. Figure 3 is the force versus displacement graph, showing we trajectory of a moving particle. Fx B. A x (m) Figure 3: Potential energy curve Using figure 3, answer the following questions: (a) determine whether the force Fx is positive, negative or zero at the five points indicated. (b) indicate points of stable(equilibrium) and unstable