A force of F= (3 i + 3 j) N is applied to an object that is pivoted about a fixed axis aligned along the z coordinate axis. The force is applied at a point located at r = (-2 i + 2 j) m. Find the torque vector t (in N. m). O a. - 12 k O b. - 16 k O C - 20 k O d. - 8 k Question 14 The rectangular coordinates of a point are given by (4, y), and its polar coordinates are (r, 60). The values of r and y are Not yet answered O a.r = 12 and y = = V108 O b.r= 4 and ( y = \sqrt(12} ) O c.r= 8 and (y = \sqrt(48\ } V O d.r= 10 m and y = \sqrt{75) V Marked out of 1.50 P Flag question