ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Compressed spring. Image 3 of 3. This spring is being used for a demonstration of Hooke's Law. Hooke's Law states that, up to an elastic limit, the compression or extension of a spring is proportional to the force applied. So, when weights are added to this spring, the measured compression correlates linearly with the weight applied. To see the apparatus before the addition of weights and with the addition of fewer weights, see images A400/109 and A400/110.
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