Figure shows a wheel barrow of mass 15 kg carrying a load of 30kgf with its centre of gravity at A. The points B and C are the centre of wheel and tip of the handle such that the horizontal distance AB=20 cm and AC=40 cm. What is the mechanical advantage?
![186459_225650f611134129b19a12cf4fd43350.png](https://search-static.byjusweb.com/question-images/toppr_ext/questions/186459_225650f611134129b19a12cf4fd43350.png)