\documentclass{article}
 \usepackage{tikz}
 \usetikzlibrary{calc,patterns,
                 decorations.pathmorphing,
                 decorations.markings}

 \begin{document}
 \begin{tikzpicture}

 \tikzstyle{spring}=[thick,decorate,decoration={zigzag,pre length=0.3cm,post
 length=0.3cm,segment length=10,amplitude=0.3cm}]

 \tikzstyle{ground}=[fill,pattern=north east lines,draw=none,minimum
 width=0.75cm,minimum height=0.3cm]

 \node[draw,outer sep=0pt,thick] (M1) [minimum width=1cm, minimum height=1cm] {$m_1$};
 \draw[spring] ($(M1.north)$) -- ($(0,4)$)
 node [midway,above](m3){};
 \fill [pattern = north east lines] (-2,4) rectangle (6,4.2);
 \draw [thick,dashed] ($(M1.west) +(-0.2,0)$) --
                            ($(M1.west) + (-1.2,0)$)
                            node [midway, above] (n2){};
 \draw [thick,dashed] ($(M1.west) +(-0.2,2)$) --
                            ($(M1.west) + (-1.2,2)$)
                            node [midway, below] (n1) {};

 \draw [thick,latex-latex] ($(n1.north)-(0,0.1) $) --
                            ($(n2.south) + (0,0.1)$)
                            node [midway, left] {$\Delta l_1$};

 \draw[thick] (-2,4) -- (6,4);
 \draw[ultra thick, -latex] ($(M1.east) +(0.5,0)$) --
                            ($(M1.east) + (0.5,-1.5)$)
                            node [midway, right] {$F_p$};
 \draw[ultra thick, -latex] ($(M1.east)+(0.5,0)$) --
                            ($(M1.east) + (0.5,1.5)$)
                            node [midway, right] {$F_{el}$};
\draw[thick, dashed] ($(M1.east)$) -- ($(M1.east) + (0.5,0)$);
 \tikzstyle{spring}=[thick,decorate,decoration={zigzag,pre length=0.3cm,post
 length=0.3cm,segment length=16,amplitude=0.3cm}]
 \node[draw,outer sep=0pt,thick] (M2) at (4,-2) [minimum width=1.3cm, minimum height=1.3cm] {$m_2$};
 \draw[spring] ($(M2.north)$) -- ($(4,4)$)
 node [midway,above](m3){};
   \draw [thick,dashed] ($(M2.west) +(-0.2,0)$) --
                            ($(M2.west) + (-1.2,0)$)
                            node [midway, above](n4) {};
  \draw [thick,dashed] ($(M2.west) +(-0.2,4)$) --
                            ($(M2.west) + (-1.2,4)$)
                            node [midway, below] (n5) {};
  \draw [thick,latex-latex] ($(n5.north)-(0,0.1) $) --
                            ($(n4.south) + (0,0.1)$)
                            node [midway, left] {$\Delta l_2$};

 \end{tikzpicture}
 \end{document}