Cow
Why is the triangle the strongest shape?
When you apply pressure in the corners, it does not collapse.
How can we make squares or rectangles stronger?
By adding cross beams which creates 2 or 4 triangles inside the square or rectangle.
Another reason why the eiffel tower is so strong
It is a triangular-shaped structure -- triangle is the strongest shape.
Made of strong materials like steel or concrete.
The entire structure is made of smaller triangles/cross beams.
Tower has space between the beams -- so wind can pass through rather than pushing it.
One reason why the eiffel tower is so strong
Strong, wide base
Top is narrower than the bottom
Legs of the tower are set far enough apart to support the height and weight of the tower.
What is the definition of tension?
A Pulling force
What is the definition of Ties?
Ropes or cables tied to buildings to withstand the force of tension. Help a building remain standing so it does not fall over.
a squeezing or pushing force
What is a cross beam or strut?