A vehicle weights 50 kN when empty. Its minimum velocity for skidding on a flat curve is v. When loaded it weighs 100 kN and its centre of gravity moves up by 50%. The minimum velocity for skidding will be -
1
\(\frac{v}{{\sqrt 3 }}\)
2
\(\frac{v}{{\sqrt {1.5} }}\)
3
v
4
\(\frac{v}{{1.5}}\)