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Experiment on Hookes law using bridges Physics Coursework:- Bridges. Plan. Aim: - The aim of this experiment is to find out the amount of sag a bridge of different lengths can cause when under different kinds of tension and mass. Apparatus: - To carry out this experiment we will need the following apparatus - Weights (In different proportions) A measuring apparatus (Ruler) 1 metre of wood Two wooden blocks. Method: - We will assemble the apparatus together and set the pieces up as shown in fig.1. The two wooden blocks shall act as the supports and the material will be the main beam linking the two blocks. We shall place the material across the blocks. We shall measure the length from the bottom of the beam and floor using a ruler (in centimetres). We shall have the length of the actual bridge at 90 cm, then 70cm and 50cm (fig2) if so...

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