A mobile is constructed of light rods, light strings, and beach souvenirs, as shown in Figure P12.10. Determine the masses of the following objects, where d1 = 4.80 cm, d2 = 6.70 cm, d3 = 1.00 cm, d4 = 5.90 cm, d5 = 2.40 cm, and d6 = 5.00 cm.
http://www.webassign.net/pse/p12-10alt.gif
(a) m1 = ___________ g
(b) m2 = ___________ g
(c) m3 = ___________ g
please provide me with the right answers and the work too. thanks so much!