Under a given set of operating conditions, the designer and operator has some control of a)Useful soil resistance b) Parasitic Force c)Draft of implement d) Pull of implement

Under a given set of operating conditions, the designer and operator has some  control of  
a)Useful soil resistance b) Parasitic Force  
c)Draft of implement d) Pull of implement
by

1 Answer

Answer :

b) Parasitic Force
by

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