AQA A Level Physics复习笔记4.8.1 The Young Modulus
The Young Modulus The Young modulus is the measure of the ability of a material to withstand changes in length with an added load This gives information about the stiffness of a material Thi...
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AQA A Level Physics复习笔记4.7.6 Energy Conservation
Conservation of Energy in Deformation Loading and Unloading a Metal Wire When a metal wire is loaded with a force and stretched beyond its limit of proportionality, it will undergo plastic d...
AQA A Level Physics复习笔记4.7.5 Elastic & Plastic Behaviour
Plastic Behaviour Materials can undergo two types of deformations: Elastic deformation When the load is removed, the object will return to its original shape This is shown in the elastic reg...
AQA A Level Physics复习笔记4.7.4 Elastic Strain Energy
Elastic Strain Energy Work has to be done to stretch a material Before a material reaches its elastic limit (whilst it obeys Hooke's Law), all the work is done is stored as elastic strain energy Th...
Edexcel IGCSE Biology 复习笔记 2.10.6 The Human Nervous System
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AQA A Level Physics复习笔记4.7.3 Stress & Strain
Tensile Stress & Strain Opposite forces can deform an object If the forces stretch the object, then they are tensile forces Tensile forces lead to the two properties of materials known a...
Edexcel IGCSE Biology 复习笔记 2.10.5 Co-ordination Systems in Humans
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