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Experiment to find the acceleration due to gravity using free fall As the title suggests, this experiment is to find the acceleration any object under free fall will undergo when travelling towards the earth. We presume in this experiment that we are unaware of the constant g and the basis of this experiment is to rediscover this value. Apparatus The principle behind the circuit is fairly simple. The ball is held through magnetism to the electromagnet; however when the magnetic field is no longer being created i.e. the switch is opened, the ball falls. When the switch is opened, the timer also starts as the switch is connected to one of its inputs. The ball strikes the metallic plate as it falls and breaks the contact between the metal plate and the rest of the circuit. The plate switch is also connected to the timer which then stops timing. In this...

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