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The aim of this investigation is to investigate the effect of adding varying weights to the end of a wooden ruler at different ruler lengths.
Member rating: No Rating | Words: | Submitted: Thu Feb 19 2004
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Introduction/Plan: The aim of this investigation is to investigate the effect of adding varying weights to the end of a wooden ruler at different ruler lengths. I predict that as the weight increases on the ruler the more it will sag and the more it will sag each time, demonstrated by this rough graph: There should be a strong positive correlation between the sag and the force I predict this because of the rule of compression and tension; as more force is exerted vertically onto the end of a ruler, the top face becomes tense and the bottom face becomes compressed. The explanation of this will be in my conclusion. I also make this prediction using the formula of moments: Moment of a force (Nm) = force (N) x perpendicular distance from the pivot (m) This will also be explained in my conclusion. (The diagram of my method is shown above next to my predicted graph...
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