Answer:
U = - ∫ F dx
U = - 3F₀
Step-by-step explanation:
Force and potential energy are related
F =
dU = - F dx
∫ dU = - ∫ F dx
U- U₀ = - ∫ F dx
to solve the problem we must know the form of the force, if we assume that F = F₀ and U₀ = 0 for x = 0
U = - F₀ 3