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Slipping and sliding Introduction As part of our Physics coursework we were asked to investigate the force required to pull a piece of wood whilst increasing the weight on top of it using a Newton meter and some weights. We were provided with the appropriate apparatus and given the necessary instructions from our teacher. The objective of our experiment was to obtain a set of results from which we would be able to understand the relationship between force and mass and the effect of variables. Prediction Statement: 'The greater the mass of the wood, the greater the force required to move the wood.' This is because increasing the mass will increase the friction between the wood and the table. Smooth looking surfaces are examined under a high power microscope, their actual roughness can be seen. They only touch where their high spots meet. As shown in the diagram below; ...

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