The curve along the top of the dam is easier to see than the curve along the
front of the dam. |
This is because the dam is curving back into the
reservoir so it is covered by the water.
If you look at an arch dam from
the front, you see a curved wall of concrete -- like the curve of a
Can you trace a the curve of a watermelon
on front of the dam using your mouse?
The arch dam's special shape comes from the arch, part of a circle.
the water pushes on the arch, the arch sends the force to the rock wall.
Can you trace the circle that the arch is part