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→Method
#Use the equation <math>a=\frac{v-u}{t}</math> to calculate the [[acceleration]] of the trolley.
#Repeat steps 2-7 adding 0.1N [[weight]] up to around 0.6N.
#Plot a [[Scatter Graph|scatter graph]] with the [[force]] of [[weight]] on the [[x-axis]] and the [[acceleration]] on the [[y-axis]]. The [[gradient]] of [[Line of Best Fit|line of best fit]] will be the [[mass]] of the glider showing that <math>F=ma</math>.#Measure the [[mass]] of the trolley using an [[Electronic Balance|electronic balance]] to compare [[results]].
====Improving [[Accuracy]]====