Chapter 12, Problem 18P

GO In Fig. 12-35, horizontal scaffold 2, with uniform mass m₂ = 30.0 kg and length L₂= 2.00 m, hangs from horizontal scaffold 1, with uniform mass m₁ = 50.0 kg. A 20.0 kg box of nails lies on scaffold 2, centered at distance d = 0.500 m from the left end. What is the tension T in the cable indicated?

Figure 12-35 Problem 18.