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Speed of a Falling Object Aim The aim of this investigation is to find the factors affecting the rate of fall of a body through the air. Fair Test The variables that will need to be the same to make this a fair test are: * The shape paper cases that are used :- The shape of the paper case affects the air resistance acting upon it. * The weight of the paper cases that are used :- The weight affects the speed of fall and would therefore end up in incorrect results. Theory Gravity is the force which pulls objects together. It depends on the mass of both objects, an object with a large mass will have a large gravitational force compared to an object with a smaller mass which will have a smaller gravitational force. This can be shown using the moon and the Earth as the Earth has a larger mass it has larger gravitational...

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