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GCSE Design and Technology · key term
An action that causes a material or object to curve, stretching one side and compressing the other.
Used by AQA
Paper 1
Revise: Resisting forces and stressesBending makes an object curve. A shelf or horizontal beam supported at both ends bends downwards when a load is placed on it. As it curves, its upper side becomes shorter and is compressed, while its lower side becomes longer and is in tension.
Forming a curve in a material to change its shape and how it responds to forces.
The top of a beam is compressed and the bottom stretched when a beam supported at both ends bends downwards; this is not true of every bending arrangement.
Link the technique to its effect and the product’s function: webs stiffen a polymer chair underframe so it resists excessive bending when someone sits on it.
Distinguish strength from stiffness: resisting breaking is not the same as resisting bending.
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