Question

Friction can be increased by​

Answer 1

Answer:

$\small{\fcolorbox{red}{indigo}{\small{\fcolorbox{red}{violet}{\small{\fcolorbox{red}{pink} {\small{\fcolorbox{red}{red}{\small{\fcolorbox{red}{springgreen}{\small{\fcolorbox{red}{blue}{\small{\fcolorbox{red}{yellow} {\small{\fcolorbox{red}{azure} {\small{\fcolorbox{red}{blue}{\small{\fcolorbox{red}{orange}{\huge{\fcolorbox{red}{green}{\large{\fcolorbox{blue}{red}{{\fcolorbox{orange}{aqua}{Increasing \: surface \:area}}}}}}}}}}}}}}}}}}}}}}}}}}$