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Name: Jonathan Tam Class : 12A Physics Experiment Report - Data collection, Data Processing and presentation F = ma Planning (a): To investigate and prove Newton's law, F=ma. As the formula suggest, force increases proportionally to acceleration, also it increases proportionally to mass. Acceleration increases inversely to mass, mass increases inversely to acceleration. Planning (b): We will use an air track to remove air resistance which hinders our experiment. We will use light gates to measure time, thus calculate acceleration. Data collection: F = ma Absolute error Percentage error (%) mass: 0.31089kg 0.00005 0.016 length: 0.02648m 0.00001 0.038 We have to keep the mass of the whole setup constant, which means mass x + mass y has to be constant at all cases. The percentage error of force will be dealt later on during calculation. Data Processing and Presentation: Force (N) Absolute error Acceleration (m/s2) Absolute error 0.081 0.0062 0.26 0.000208 0.162 0.0031 0.52 0.000468 0.274 0.0018 0.88 0.000968 0.370 0.0014 1.19 0.001428 0.454 0.0011 1.46 0.001752 0.516 0.0010 1.66 0.002158 0.600 0.0008 1.93 0.002509 Our starting formula is: F = ma Now we have F and a, we can now plot a graph. From the formula, I predict the slope of the graph is...

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