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Factors affecting the speed of a trolley Travelling down a ramp Factors such as; type of surface of ramp, height of ramp, weight/mass of trolley and the gradient or angle of a ramp all affect the speed of a trolley as it travels down a ramp. For instance a trolley may accelerate faster down a ramp on smooth wood rather than on carpet because carpet might provide greater friction for the tyres rather than the smooth wood. Out of all these factors, I am going to pick just 1 factor and alter it 5 different times, doing 3 trials for each time. We have also done some preliminary work on ticker - timers, so in my investigation I am going to expand on the notion of ticker - timers and incorporate my knowledge of ticker - timers in to this investigation. Aim: To investigate the relationship between the speed of the...

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