GKFix MCQ Question

How are the gravitational forces F₁₂ and F₂₁ related according to Newton’s third law?

• A. F₁₂ = F₂₁
• B. F₁₂ = 2F₂₁
• C. F₁₂ = –F₂₁
• D. F₁₂ = ½F₂₁