A draft required to pull 4-botton 30 cm tractor plough working to a depth of 15 cm operated at speed of 6 Km/h. The soil resistance is 0.7 kg/cm2

A draft required to pull 4-botton 30 cm tractor plough working to a de

1.	A draft required to pull 4-botton 30 cm tractor plough working to a depth of 15 cm operated at speed of 6 Km/h. The soil resistance is 0.7 kg/cm2
A.	12.6 kg
B.	126 kg
C.	1260 kg
D.	None of these
Answer» D. None of these