scalar M = 1 [ kg ];
scalar l = 0.2 [ m ];
point point1 = point( 0 [ m ], 0 [ m ], 0 [ m ] );
point point2 = point( -1 [ m ], 0 [ m ], 0 [ m ] );
point point3 = point( 1 [ m ], 0 [ m ], 0 [ m ] );
line line1 = polyLine( list( point2, point3 ) );
point point4 = point( l, 0 [ m ], 0 [ m ] );
line line2 = polyLine( list( point1, point4 ) );
solid solid1 = sphere( point4, 0.01 [ m ], mass = M );
body ground = body( color = RGB( 229, 229, 229 ) );
body Mayat = body( color = RGB( 255, 153, 153 ) );
gravity gravity1 = parallel( reverse( projectY ) );
body conact = body( color = RGB( 229, 229, 229 ) );
joint joint1 = translational( ground, conact, point1, projectX );
joint joint2 = rotational( conact, Mayat, point1, projectZ );
sensor sensor1 = rotVelocity( conact, projectZ, Mayat );
vector vector1 = vectorPP( point1, point4 );
sensor sensor2 = angleVV( vector1, reverse( projectY ) );
scalar scalar1 = -2*sqrt(9.810000e+000 [ m/ s2 ]/l)*1[ rad ];
sensor sensor4 = abs(scalar1-sensor1);
solid solid2 = sphere( point1, 0.01[ m ], mass = M );
event event3 = reformsBySensor( list( stop(  ) ), sensor2, 0.02[ rad ] );

/\///////////////////////////////////////////////////////////////////////////////////
/\   Object Attachments
body ground < (point2, point3, line1 );
body Mayat < (solid1, line2, point4, vector1 );
body conact < (point1, solid2 );

/\///////////////////////////////////////////////////////////////////////////////////
/\   Immovable body ;
set ground = ground;

/\///////////////////////////////////////////////////////////////////////////////////
/\   Units of Measurement;
set units = SI;