Question 10 (1 point) Which vector is collinear with [a, b]? ( [b, a] O [ -a , b ] O [a 2 , b 2] Ol-a, - b]\fQuestion 2 (1 point) A parallelogram is formed by the vectors [1, 2] and [3, -4]. Find the area of the parallelogram. 10 square units O 17 square units 21 square units 11 square units Question 3 (1 point) Given the points A(1, 2, 3), B(5, 4, 3), and C(2, 1, 2), find AB . ACQuestion 6 (1 point) A horse drags a log 100 m with a constant force of 700 N at an angle of 350 with the ground. How much work is done? 57 340.64 J 40 150 J O 70 000 J O V500000Question 8 (1 point) The following three vectors are coplanar: (7,8,9), (4,0,3), (3,8,6) O True O FalseQuestion 9 (1 point) If u = [1,2,3] and v = [0, 4, -2], find Ju x vl O [-16, 2, 4] O V276 O 48 O -48Question 4 (1 point) Given the points G(1, -1, 3), H(-1, 2, 1), and K(4, 1, 1), find GH + GK ) X GH . GH + HK O -23 Oo O 2 O 31Question 7 (1 point) If u = [1,2] and v = [4, -2], find [proj(u on v)|. Oo O 00 V20 O V5 O V20Question 5 (1 point) A force of 250 N is applied to the peddle of a bike at 75 to the pedal shaft. The shaft of the pedal is 18 cm long. Determine the magnitude of the torque driving the bicycle crank. O 11.65 Nxm C 1165 Nxm O 43.47 Nxm O 4347 Nxm