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37 lines
1.5 KiB
37 lines
1.5 KiB
4 years ago
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% Based on tutorial here: https://latexdraw.com/free-body-diagram-of-atwoods-machine-in-tikz/
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\documentclass[tikz]{standalone}
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\usetikzlibrary{patterns,shapes.geometric}
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\begin{document}
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\begin{tikzpicture}
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% Pulley
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\draw[fill = black!70] (0,0) circle (1.5cm); % Big circle
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\draw[fill=black!40] (0,0) circle (1.3cm); % Medium circle
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% Note that the colon here means polar coordinates are being used
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% 75:2.5 means 75 degrees and 2.5 cm
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\draw[fill=white] (75:2.5) to[rounded corners=0.2cm] (0.2,-0.25) to[rounded corners=0.2cm]
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(-0.2,-0.25) -- (105:2.5);
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\draw[fill=black!90] (0,0) circle (0.12cm); % Axle circle
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% Supporting structure
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\fill[pattern= north west lines,] (-2.5,2.41) rectangle (2.5,2.6);
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\draw(-2.5,2.41) -- (2.5,2.41);
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% Mass 1
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\draw[thick] (1.49cm,0) -- ++(0,-5cm)
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node[draw=black,above=0.18cm,circle,fill=brown!70!black](cM){} node[draw=black,trapezium,rounded
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corners=1pt,fill=brown!70!black,text=white, minimum height=0.7cm](M){M};
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\draw [-latex,very thick,blue] (M.bottom side) -- ++(0,-1) node[midway,right]{$F_1$};
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\draw [-latex,very thick,black] (cM.north) -- ++(0,1)node[midway,right]{$T_1$};
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% Mass 2
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\draw[thick] (-1.49cm,0) -- ++(0,-3.5cm)
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node[draw=black,above=0.13cm,circle,fill=brown!70!black](cm){} node[draw=black,trapezium,rounded
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corners=1pt,fill=brown!70!black,text=white, minimum height=0.6cm](m){m};
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\draw [-latex,very thick,red] (m.bottom side) -- ++(0,-1)node[midway,left]{$F_2$};
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\draw [-latex,very thick,black] (cm.north) -- ++(0,1)node[midway,left]{$T_2$};
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\end{tikzpicture}
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\end{document}
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