Final answer:
The bridge suggested by Mr. Ellet differs from traditional bridges in that it will be a suspension bridge that uses cables for support, offering the ability to span greater distances and requiring a careful consideration of physics and engineering for stability.
Step-by-step explanation:
The bridge that Mr. Ellet suggests is different from the usual kind of bridge in that it will be a suspension bridge, which is distinct from traditional bridges that are often built on stone or wooden pillars. Instead, a suspension bridge like the one proposed by Mr. Ellet would hang suspended from cables, allowing for spans longer than those achievable by the simple post and lintel construction methods. When designing and building suspension bridges, engineers must consider various aspects of physics. For instance, they need to understand the forces acting on the bridge, like tension in the cables and the compression in the towers, as well as the forces that keep the bridge stable, such as the counteracting forces of gravity and the bridge's own weight. The role of towers, cables, and the ground interaction is crucial in maintaining the stability and integrity of the bridge structure over long spans and under various environmental conditions.