<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE StepCoreXML>
<world xmlns="http://edu.kde.org/step/StepCoreXML" version="1.0" id="1">
    <name>world1</name>
    <color>#ffffffff</color>
    <time>2.88</time>
    <timeScale>1</timeScale>
    <errorsCalculation>false</errorsCalculation>

    <item class="Particle" id="2">
        <name>particle1</name>
        <color>#ff000000</color>
        <position>(-0.86,-0.4)</position>
        <velocity>(0,0)</velocity>
        <mass>1</mass>
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    <item class="Particle" id="3">
        <name>particle2</name>
        <color>#ff000000</color>
        <position>(-0.85,-1.45)</position>
        <velocity>(0,0)</velocity>
        <mass>1</mass>
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    <item class="Stick" id="4">
        <name>stick1</name>
        <color>#ffff0000</color>
        <restLength>1.28082004981184</restLength>
        <body1>10</body1>
        <body2>2</body2>
        <localPosition1>(0,-0.15)</localPosition1>
        <localPosition2>(0,0)</localPosition2>
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    <item class="Stick" id="5">
        <name>stick2</name>
        <color>#ffff0000</color>
        <restLength>1.05004761796787</restLength>
        <body1>3</body1>
        <body2>2</body2>
        <localPosition1>(0,0)</localPosition1>
        <localPosition2>(0,0)</localPosition2>
    </item>

    <item class="WeightForce" id="6">
        <name>weightForce1</name>
        <color>#ff000000</color>
        <weightConst>9.80665</weightConst>
        <weightConstVariance>1e-10</weightConstVariance>
    </item>

    <item class="Note" id="7">
        <name>note2</name>
        <color>#ff000000</color>
        <position>(-1.1386,1.48139)</position>
        <size>(190,92)</size>
        <text>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot;&gt;&lt;/meta&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Sans Serif'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;&lt;p align=&quot;center&quot; style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:14pt; font-weight:600;&quot;&gt;Tutorial 5&lt;/span&gt;&lt;/p&gt;&lt;p align=&quot;center&quot; style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:12pt;&quot;&gt;Joints&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</text>

    </item>

    <item class="Note" id="8">
        <name>note3</name>
        <color>#ff000000</color>
        <position>(-2.04059,-0.688861)</position>
        <size>(316,196)</size>
        <text>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot;&gt;&lt;/meta&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Sans Serif'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Quest&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- Create graphs to display coordinates of particles in double pendulum.&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- Create triple pendulum by attaching one more particle to the particle2 using the stick.&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- Remove anchor1 that fixes position of the box and attach a pin to the corner of the box. Try starting the simulation.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</text>

    </item>

    <item class="Anchor" id="9">
        <name>anchor1</name>
        <color>#ffff0000</color>
        <body>10</body>
        <position>(0.01,0.69)</position>
        <angle>0</angle>
    </item>

    <item class="Box" id="10">
        <name>box1</name>
        <color>#ff000000</color>
        <position>(0.01,0.69)</position>
        <angle>0</angle>
        <velocity>(0,0)</velocity>
        <angularVelocity>0</angularVelocity>
        <mass>1</mass>
        <inertia>0.109766666666667</inertia>
        <size>(1.06,0.44)</size>
    </item>

    <item class="Note" id="11">
        <name>note6</name>
        <color>#ff000000</color>
        <position>(-2.05359,0.617376)</position>
        <size>(318,182)</size>
        <text>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot;&gt;&lt;/meta&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Sans Serif'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Joints&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-weight:600;&quot;&gt;&lt;span style=&quot; font-weight:400;&quot;&gt;- Joints are objects that attach bodies to each other or to the background.&lt;/span&gt;&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- An anchor is a joint that fixes the position of the body.&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- A pin is a joint that fixes one point of the body.&lt;/p&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;- A stick is a joint that fixes the distance between two points on two bodies.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</text>

    </item>

    <solver class="AdaptiveEulerSolver" id="12">
        <name>solver1</name>
        <stepSize>1</stepSize>
        <toleranceAbs>0.001</toleranceAbs>
        <toleranceRel>0.001</toleranceRel>
    </solver>

    <collisionSolver class="GJKCollisionSolver" id="13">
        <name>collisionSolver1</name>
        <toleranceAbs>0.001</toleranceAbs>
    </collisionSolver>

    <constraintSolver class="CGConstraintSolver" id="14">
        <name>constraintSolver1</name>
    </constraintSolver>

</world>
