What is the formula to calculate resisting force?

• A. Resisting force=(Pmax)ld0l1b) Resisting force=(Pb)ldil1c) Resisting force=(Pb)ld0l1d) Resisting force=(P
• B. Resisting force=(Pb)ldil1
• C. Resisting force=(Pb)ld0l1
• D. Resisting force=(Pb)ld0ls