In orthogonal turning of medium carbon steel, the specific machining energy is 2 kJ/mm3, the cutting velocity, feed and depth of cut are 120m/min, 0.2m/rev and 2mm respectively. The main cutting force N is
(a) 40 (b) 80
(c) 400 (d) 800
10.4k questions
274 answers
26 comments
15.2k users