16 lines
343 B
TeX
16 lines
343 B
TeX
\begin{pspicture}*(-4.5,-4.5)(4.5,4.5)
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\psgrid[griddots=10, gridcolor=gray, subgriddiv =0](-5,-5)(5,5)
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\psdot(0,0)
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\uput[u](0,0){$O$}
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\psline{->}(0,0)(0,-3)
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\uput[l](0,-1.5){$\vec{F_3}$}
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\psline{->}(0,0)(2,1)
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\uput[u](1,0.5){$\vec{F_1}$}
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\psline{->}(0,0)(-2,2)
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\uput[u](-1,1){$\vec{F_2}$}
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\end{pspicture}
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