A position vector A of magnitude 10 units makes an angle of 53 with a position vector B of magnitude 6 unit. The magnitude of position vector AB and the angle with vector A is: A. 8 units, (180 - 37 degree)B. 10 units, 37 degreeC. 10 Units, 53 degreeD. 8 Units, 53 degree Share with your friends Share 1 Vijay Shankar Yadav answered this Dear Student, AB=A-B=A2+B2-2ABcos(53)=102+62-2×10×6×35=64=8 unitResultant of AB and B will give A by magnitude we cann see that these vectores are making a right angle tringle So if one angle of right angle triangle is 53 then other will 37 (except right angle)Angle between And AB will be (180-37) -4 View Full Answer