\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{BabuXor}
\pdfinfo{
  /Title (meccanica.pdf)
  /Creator (Cheatography)
  /Author (BabuXor)
  /Subject (Meccanica Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Meccanica Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{BabuXor} via \textcolor{DarkBackground}{\uline{cheatography.com/109775/cs/21534/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}BabuXor \\
  \uline{cheatography.com/babuxor} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 8th January, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Moto Rettilineo}}  \tn
% Row 0
\SetRowColor{LightBackground}
v`m`=Δx/Δt & \{\{ar\}\}velocità media \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
a`m`=Δv/Δt & \{\{ar\}\}accelerazione media \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
v`f`=v`i`+at & \{\{ar\}\}velocità finale \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
x`f`=x`i`+v`i`t+1/2at\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}posizione finale \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
v`f`\textasciicircum{}2\textasciicircum{}=v`i`\textasciicircum{}2\textasciicircum{}+2aΔx & \{\{ar\}\}posizione finale (senza tempo) \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.04 cm} x{2.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Moto proiettile}}  \tn
% Row 0
\SetRowColor{LightBackground}
v`ox`=v`o`cosθ & \seqsplit{v`oy`=v`o`senθ} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
v`x`=v`ox` & v`y`=v`oy`-gt \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
x=v`ox`t & y=v`oy`t-1/2gt\textasciicircum{}2\textasciicircum{} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
R=(2v`ox`v`oy`)/g & \{\{ar\}\}gittata \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
h=v`oy`\textasciicircum{}2\textasciicircum{}/2g = (v`o`\textasciicircum{}2\textasciicircum{}sen\textasciicircum{}2\textasciicircum{}θ)/2g & \{\{ar\}\}altezza massima \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
y=x(v`oy`/v`ox`)-1/2g(x/v`ox`)\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}traiettoria \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.48 cm} x{5.52 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Gravità}}  \tn
% Row 0
\SetRowColor{LightBackground}
F`g`=(GMm)/r\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}forza gravitazionale \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
g=GM/r\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}accelerazione gravitazionale \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{U`g(r)`=-(GMm)/r} & \{\{ar\}\}en. potenziale gravitazionale \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{v`e`=sqrt(2GM/r)} & \{\{ar\}\}velocità di fuga \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Moto Circolare}}  \tn
% Row 0
\SetRowColor{LightBackground}
ω`m`=Δθ/Δt & \{\{ar\}\}velocità angolare \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
α`m`=Δω/Δt & \{\{ar\}\}accelerazione angolare \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
ω`f`=ω`i`+αt & \{\{ar\}\}velocità finale \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
θ`f`=θ`i`+ω`i`t+1/2αt\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}posizione finale \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
ω`f`\textasciicircum{}2\textasciicircum{}=ω`i`\textasciicircum{}2\textasciicircum{}+2αΔθ & \{\{ar\}\}posizione finale (senza tempo) \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.44 cm} x{4.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Moto Circolare (pt.2)}}  \tn
% Row 0
\SetRowColor{LightBackground}
T=2πr/v & \{\{ar\}\}periodo \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ω=2π/T & \{\{ar\}\}velocità angolare \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
v=ωr & \{\{ar\}\}velocità lineare \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
a`c`=ω\textasciicircum{}2\textasciicircum{}r = v\textasciicircum{}2\textasciicircum{}/r & \{\{ar\}\}accelerazione centripeta \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
a`r`=-a`c` & \{\{ar\}\}accelerazione radiale \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
a`t`=Δv/Δt = αr & \{\{ar\}\}accelerazione tengenziale \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
a=sqrt(a`t`\textasciicircum{}2\textasciicircum{}+a`c`\textasciicircum{}2\textasciicircum{}) & \{\{ar\}\}accelerazione risultante \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
θ=s/r & \{\{ar\}\}angolo dell'arco \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Mezzo viscoso e attrito}}  \tn
% Row 0
\SetRowColor{LightBackground}
R=1/2DρAv\textasciicircum{}2\textasciicircum{} & \{\{ar\}\}forza resistente \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{v`t`=sqrt(2mg/DρA)} & \{\{ar\}\}velocità terminale \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{F`sMAX`=μ`s`F`N`} & \{\{ar\}\}attrito statico massimo \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
F`k`=μ`k`F`N` & \{\{ar\}\}attrito dinamico \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}