Curated OER
Pressure and Moments
Each slide gives relevant equations and a number of explanations and examples, for the situations comparing pressure or moments to external control factors. The necessary conditions for particular situations are labeled and your pupils...
Curated OER
Building Bridges
Students, in groups, design and test a scale bridge. They use the Internet to research three basic bridge designs -- beam, arch, and suspension -- and the forces that act upon them.