Imagine a seesaw, it balances because both ends are supported. Bridges work the same way! Some use an arch shape, like a big smile, to push down on each side and keep the bridge standing. Others hang from strong cables that stretch between two tall pillars. These bridges don’t need to be tied down; they just need something to hold them up from above or below.
Examples
- A seesaw balances because both ends are supported.
- A trampoline holds you up even though it’s not tied down.
- An arch in a doorway pushes outwards when you lean on it.
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See also
- How Do Bubbles Form and Pop?
- How Do Bubbles Pop and Why Does It Feel Good?
- How Do Mirrors Really Work?
- How Does a ‘Bridge’ Hold Up Traffic Without Breaking Down?
- How Do Soap Bubbles Form?
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