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Investigate the effect of air resistance to the speed of a trolley moving down a ramp in relation to the area of a sail attached to the trolley.
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| Submitted: Mon Jun 28 2004
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INTRODUCTION We are trying to investigate the effect of air resistance to the speed of a trolley moving down a ramp in relation to the area of a sail attached to the trolley. The prediction I have made is that the larger the sail area, the longer the trolley will take to descend, i.e. it will be slower. The variable I will be changing is the height of the sail, and so, the area of the sail. Some variables cannot be changed, but may affect the result of the experiment, and so should be noted. These include: * Atmospheric Pressure - Obviously, if there is no air, there can be no air resistance. The effect of this on our experiment is incredibly small, and so can be discounted, as there is always atmospheric pressure of approximately 960-1050 bars. This can be measured with a barograph/barometer. * Humidity - If there is lots of water...
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