Jawabanmu

2014-08-16T19:24:59+07:00
Jika 1 meter 9 Newton, maka jika 3 meter = 3.9 = 27 Newton
2 3 2
2014-08-16T21:12:32+07:00
F1/F2=r2^2/r1^2
9/F2 = 3^2/1^2
9/F2 =9
F2 = 1 N
1 1 1