Mast (vertical, leading edge of sail), Boom (horizontal,bottom of sail), and a spinnaker pole if you use a spinnaker which is a sail type
It is called the mast
Masts, or see: http://wiki.answers.com/Q/What_are_ship_poles_calledfor a more indepth answer.
It holds (supports) the sails. You can also mount navigation systems on it.
It is called mast.
its sails
The correct spelling is "sailboat" (boat propelled by sails).
The pole you are referring to is called the mast. If the boat only has one mast it is usually not in the middle of the boat but is normally found in the forward third of the boat.
If you mean the vertical poles to which sails are attached, these are called masts.
Yeah!! What do you think they will do without them!
If you mean the vertical poles to which sails are attached, these are called masts.
Yes! -Over time, they stretch!
They act as aerofoils, much like the wings of an aeroplane, and work by the air pressure difference on the surfaces of the sails.