Physics · Mechanics and Materials
Why are fibreglass crossbars preferred over metal crossbars in high jump events?
- 1Fibreglass absorbs moisture better
- 2Fibreglass sags and bends safely without a risk of splintering into sharp metallic edges✓
- 3Metal is heavier but more elastic
- 4Fibreglass never breaks under pressure
Correct answer
Fibreglass sags and bends safely without a risk of splintering into sharp metallic edges
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