Jawabanmu

2014-02-12T21:27:05+07:00
Momen gaya = momen inersia dikali alfa
  jadi nya
30=I.3
I= 30/3
I= 10 kg/mkuadrat
1 5 1
2014-02-12T21:37:14+07:00
Torsi = I *  \alpha
30 = I * 3
I = 10 kg m^{2}
4 3 4