I realize a sailboat can’t go directly at the wind (or maybe it can🤷🏽♂️) but for the life of me I can’t picture it going anywhere but where the wind is bowing.
Also, lets say you were in a round pond, could you sail to any point you wanted to in the pond with the wind blowing steady in one direction?
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If you remember what water melon seeds are….
If you push on one side of a seed on a table, it slides the way you push it. If you put your thumb on the opposite side you are pushing on, it doesn’t go the way you push it, it shoots out at an angle to the way you pushed it.
Sail boats do this.
They have keels and other similar devices that stick down into the water below the boat. The keels help the boat resist moving anything but fwd or backwards. So when the wind blows into the sails, the keel keeps the boat from just going the way the wind blows, and allows it to slip out forward, just like the watermelon seed.
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