Then the shear force will be approximately

Question

 In an orthogonal cutting operation, shear angle = 11.31^o, cutting force = 900 N and thrust force = 810N. Then the shear force will be approximately (given sin11.31^o = 0.2).                           

(a) 650 N                        (b) 720 N

(c) 620 N                        (d) 680 N