Resultants and components of forces

There are 2 NRICH Mathematical resources connected to Resultants and components of forces
Bridge builder
problem
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Bridge builder

Age
16 to 18
Challenge level
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In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.
More bridge building
problem
Favourite

More bridge building

Age
16 to 18
Challenge level
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Which parts of these framework bridges are in tension and which parts are in compression?