3. Given the force, F(x)=1-4 x+4 x³
a. Find an expression for the potential energy.
b. Plot F(x) between x=-2 to x=+2
c. Plot U(x) between x=-2 to x=+2
d. Identify the equilibrium points and comment on the stability at those points.

3 Given the force Fx14 x4 x a Find an expression for the potential energy b Plot Fx between x2 to x2 c Plot Ux between x2 to x2 d Identify the equilibrium point class=