... applies for small forces, which do not irreversibly stretch the material. The material is in the elastic regime. Equipments * Ruler with (Range: 0-100 cm, Sensitivity: 0.1cm) * Three types of plastic bag * 100g Masses * Stand * Set square * Micrometer (Range: 0-3.5 mm, Sensitivity: 0.01mm) * Hoffman clip * Cutter * Tape Procedure 1. In this experiment, you had to use three type of plastic bag in order to measure their Young's modulus. 2. First, cut three strips of each plastic and measure their width, using ruler, and their diameter by using Micrometer. 3. Then, set up an apparatus to measure the amount of weight that each plastic strip could resist for (Shape 1). 4. Record the initial place and then add an exact amount of weight, 100gr. Write the amount of displacement for each time and repeat the experiment three times for each plastic. These results could be inaccurate as the instruments might not be as good as they should ...

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