Question

Displacement vectors of 4 km south, 2 km north, 5km south and 5km north combine to a total displacement of

Answer 1

1st,4km S -2Km N= 2km S.

2nd,2km S +5km S=7Km S.

Then,7KmS -5Km N =2km S.

Thus,2km south is the right answer