A vector has components Ax = -3, Ay = -4. The angle it makes with the positive x-axis is:

  1. 126.9^circ
  2. 233.1^circ
  3. 53.13^circ
  4. 323.1^circ
Answer

B) 233.1^circ

tantheta = AyAx; with the signs of the components the vector is in the correct quadrant, so theta = 233.1^circ. SLO P-11-B-01 · Understanding

Physics MCQ · More Vectors MCQs · Practise