point point1=point( 0 [ m ], 0 [ m ], 0 [ m ] );
point point2=point( 1 [ m ], 0 [ m ], 0 [ m ] );
point point3=point( 0 [ m ], 1 [ m ], -0.01 [ m ] );
point point4=point( 1 [ m ], 1 [ m ], -0.01 [ m ] );
line line_board=polyLine( list( point1, point2, point4, point3, point1 ) );
line line_support=polyLine( list( point1, point2 ) );
point point5=point( 0 [ m ], 0.0001 [ m ], 0.01 [ m ] );
point point6=point( 0 [ m ], -0.0001 [ m ], -0.01 [ m ] );
body support=body( color = RGB( 229, 229, 229 ) );
set ground = support;
body support < ( line_support, point2, point1 );
body board=body( color = RGB( 255, 153, 153 ) );
body board < ( point3, point4, point6, point5 );
gravity gravity=parallel( reverse( projectY ) );
joint joint1=rotational( support, board, point1, projectX, work = on: );
joint joint2=rotational( support, board, point2, projectX, work = on: );
sensor sensorF_z=jointForce( force:, support, point1, projectZ, joint1 );
sensor sensorF_y=jointForce( force:, support, point3, projectY, joint1 );
solid solid_board=extrude( line_board, point6, point5, mass = 1 [ kg ] );
body board < ( solid_board );
vector vector=vectorPP( point1, point3 );
sensor sensor_corner=angleVV( vector, projectY );
reform reform_stop=stop(  );
event event_stop_alpha1=reformsBySensor( list( stop(  ), reform_stop ), sensorF_z, 0 [ N ] );
scalar alpha1=arccos(0.666666)*1[ rad ];
scalar alpha2=arccos(0.333333)*1[ rad ];
sensor sensor_delta_alpha1=sensor_corner-alpha1;
sensor sensor_delta_alpha2=sensor_corner-alpha2;
event event_stop_alpha2=reformsBySensor( list( reform_stop, reform_stop, reform_stop ), sensorF_y, -0.001 [ N ] );

/\///////////////////////////////////////////////////////////////////////////////////
/\   Единицы измерения;
set units = SI;