Express the force F₂ in terms of F₁, h₁, and h₂ based on work considerations (no torque). What is the expression for F₂?
a) F₂ = (F₁ * h₁) / h₂
b) F₂ = (F₁ * h₂) / h₁
c) F₂ = (h₁ * h₂) / F₁
d) F₂ = F₁ + h₁ - h₂