How does a sailboat sail against the wind

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How boat sail upwind? discover boating, Modern sailboats sail 45-degree angle wind. , wind blowing north, boat sail northeast port tack (“tack” describes side boat wind blowing : “port tack” means wind coming port, left, side) east, south west northwest starboard tack. How sailboat sail wind ? - bright hub, How sailboat sail wind ? boat floats water boat sail?. sails traps energy wind send hull boat. hull energy displace water, moves boat . maximum speed boat attain hull speed. concept sounds simple, .. The physics sailing: sailboat move upwind?, Modern sailboats sail direction greater 45 degrees respect wind. ' sail upwind clever boat design, -positioned sail, patience zig-zag , sailors travel . explore , ' draw diagram labels forces sailboat..