January 2023

Introduction to bridges

By |2022-09-15T12:38:18+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

A simple bridge. Image credit pinimg.com A simple bridge. Image credit pinimg.com ZIMSEC O Level Combined Science Notes: Introduction to bridges

  • A bridge is a structure that allows a road, path or railway line to cross a river/depression/gully/gap
  • The simplest bridge can be made using a beam lying across the gap

    • […]

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Suspension bridge

By |2022-09-15T12:38:17+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

The Hong Kong Bridge. Image credit plus.maths.org The Hong Kong Bridge. Image credit plus.maths.org ZIMSEC O Level Combined Science Notes: Suspension bridge

  • Old suspension bridges were usually built using rope/vegetable fibre
  • The ropes could withstand tension forces while they were new but they would quickly deteriorate
  • Suspension bridges are usually constructed […]
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