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Derivation of v = f λ Using the definitions of speed, frequency and wavelength, the wave equation v = fλ can be derived This is an important relationship between three key properties of a wave The ...
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Area under a Force-Extension Graph The work done in stretching a material is equal to the force multiplied by the distance moved Therefore, the area under a force-extension graph is equal to the wo...
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Hooke's Law A material obeys Hooke’s Law if its extension is directly proportional to the applied force (load) The Force v Extension graph is a straight line through the origin (see “Extension and ...
