上实剑桥发布了2023年春季招生公告！
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Longitudinal Waves Longitudinal Waves A longitudinal wave is one where the particles oscillate parallel to the; Propagation of the wave Direction of energy transfer Longitudinal waves show areas of...
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Area Under a Force-Extension Graph For a material which obeys Hooke's law, the elastic strain energy, Eel can be determined by finding the area under the force-extension graph Since this are...
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Core Practical 5: Investigating Young Modulus of a Material To measure the Young Modulus of a metal in the form of a wire requires a clamped horizontal wire over a pulley (or vertical wire a...
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Edexcel A Level Physics:复习笔记4.7 Force-Extension Graphs
Force-Extension Graphs The way a material responds to a tensile or compressive force can be shown on a force-extension, or a force-compression graph Although compression can be put into equa...
Edexcel A Level Physics:复习笔记4.6 Stress, Strain & The Young Modulus
Stress & Strain Stress Stress is the applied force per unit cross sectional area of a material Forces can be; Tensile forces, which pull on an object and extend it Compressive forces, which pus...
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