1. picture of problem: http://img.photobucket.com/albums/v223/lilaznbabe/4_56.gif (a) What minimum force F is needed to lift the piano (mass M) using the pulley apparatus shown in Fig. 4-56? (Enter your answers in terms of some multiple of Mg.) ____ Mg (I got .5) (b) Determine the tension in each section of rope: FT1, FT2, FT3, and FT4. Tension in FT1? ____ Mg (I got .5) Tension in FT2? ____ Mg (I got .5) Tension in FT3? ____ Mg Tension in FT4? ____ Mg (I got 1) ok so i only need help on FT3... thanks!