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                    <property name="description" type="string">Force radial component</property>
                    <property name="name_editable" type="boolean">false</property>
                    <property name="parameter_names" type="array" class="[Ljava.lang.String;">
                        <property name="[0]" type="string">m</property>
                    </property>
                    <property name="parameter_values" type="array" class="[D">
                        <property name="array" type="string">{1.0}</property>
                    </property>
                    <property name="variables" type="array" class="[Ljava.lang.String;">
                        <property name="[0]" type="string">r</property>
                        <property name="[1]" type="string">vr</property>
                        <property name="[2]" type="string">θ</property>
                        <property name="[3]" type="string">ω</property>
                        <property name="[4]" type="string">t</property>
                    </property>
                    <property name="expression" type="string">vr*vr/r</property>
                </object>
                </property>
                <property name="[1]" type="object">
                <object class="org.opensourcephysics.tools.UserFunction">
                    <property name="name" type="string">fθ</property>
                    <property name="description" type="string">Force tangential component</property>
                    <property name="name_editable" type="boolean">false</property>
                    <property name="parameter_names" type="array" class="[Ljava.lang.String;">
                        <property name="[0]" type="string">m</property>
                    </property>
                    <property name="parameter_values" type="array" class="[D">
                        <property name="array" type="string">{1.0}</property>
                    </property>
                    <property name="variables" type="array" class="[Ljava.lang.String;">
                        <property name="[0]" type="string">r</property>
                        <property name="[1]" type="string">vr</property>
                        <property name="[2]" type="string">θ</property>
                        <property name="[3]" type="string">ω</property>
                        <property name="[4]" type="string">t</property>
                    </property>
                    <property name="expression" type="string">0</property>
                </object>
                </property>
            </property>
            <property name="start_frame" type="int">12</property>
            <property name="inspector_x" type="int">766</property>
            <property name="inspector_y" type="int">126</property>
            <property name="inspector_h" type="int">496</property>
            <property name="inspector_visible" type="boolean">false</property>
        </object>
        </property>
    </property>
    <property name="selectedtrack" type="string">model A</property>
    <property name="dividers" type="array" class="[D">
        <property name="array" type="string">{0.7027300303336703,0.5008319467554077,1.0,0.34984833164812945}</property>
    </property>
    <property name="views" type="array" class="[[Lorg.opensourcephysics.cabrillo.tracker.TView;">
        <property name="[0]" type="array" class="[Lorg.opensourcephysics.cabrillo.tracker.TView;">
            <property name="[0]" type="object">
            <object class="org.opensourcephysics.cabrillo.tracker.PlotTView">
                <property name="selected_track" type="string">mass A</property>
                <property name="track_views" type="collection" class="java.util.ArrayList">
                    <property name="item" type="object">
                    <object class="org.opensourcephysics.cabrillo.tracker.PlotTrackView">
                        <property name="track" type="string">mass B</property>
                        <property name="plot0" type="object">
                        <object class="org.opensourcephysics.cabrillo.tracker.TrackPlottingPanel">
                            <property name="x_var" type="string">t</property>
                            <property name="y_var" type="string">y</property>
                            <property name="lines" type="boolean">true</property>
                            <property name="points" type="boolean">true</property>
                        </object>
                        </property>
                        <property name="linked" type="boolean">false</property>
                    </object>
                    </property>
                    <property name="item" type="object">
                    <object class="org.opensourcephysics.cabrillo.tracker.PlotTrackView">
                        <property name="track" type="string">model A</property>
                        <property name="plot0" type="object">
                        <object class="org.opensourcephysics.cabrillo.tracker.TrackPlottingPanel">
                            <property name="x_var" type="string">t</property>
                            <property name="y_var" type="string">x</property>
                            <property name="lines" type="boolean">true</property>
                            <property name="points" type="boolean">true</property>
                        </object>
                        </property>
                        <property name="linked" type="boolean">false</property>
                    </object>
                    </property>
                    <property name="item" type="object">
                    <object class="org.opensourcephysics.cabrillo.tracker.PlotTrackView">
                        <property name="track" type="string">mass A</property>
                        <property name="plot0" type="object">
                        <object class="org.opensourcephysics.cabrillo.tracker.TrackPlottingPanel">
                            <property name="x_var" type="string">t</property>
                            <property name="y_var" type="string">r</property>
                            <property name="lines" type="boolean">true</property>
                            <property name="points" type="boolean">true</property>
                        </object>
                        </property>
                        <property name="linked" type="boolean">false</property>
                    </object>
                    </property>
                </property>
            </object>
            </property>
        </property>
        <property name="[1]" type="array" class="[Lorg.opensourcephysics.cabrillo.tracker.TView;">
            <property name="[1]" type="object">
            <object class="org.opensourcephysics.cabrillo.tracker.TableTView">
                <property name="selected_track" type="string">model A</property>
            </object>
            </property>
        </property>
    </property>
    <property name="selected_views" type="array" class="[Ljava.lang.String;">
        <property name="[0]" type="string">Plot View</property>
        <property name="[1]" type="string">Table View</property>
        <property name="[2]" type="string">World View</property>
        <property name="[3]" type="string">Page View</property>
    </property>
    <property name="toolbar" type="object">
    <object class="org.opensourcephysics.cabrillo.tracker.TToolBar">
        <property name="trace" type="boolean">false</property>
        <property name="position" type="boolean">true</property>
        <property name="velocity" type="boolean">false</property>
        <property name="acceleration" type="boolean">false</property>
        <property name="labels" type="boolean">true</property>
        <property name="multiply_by_mass" type="boolean">false</property>
        <property name="trail_length" type="int">15</property>
        <property name="stretch" type="int">1</property>
    </object>
    </property>
    <property name="track_control_x" type="int">178</property>
    <property name="track_control_y" type="int">124</property>
    <property name="info_x" type="int">326</property>
    <property name="info_y" type="int">59</property>
</object>