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To determine the acceleration of gravity in a free fall experiment.
Member rating: No Rating | Words: | Submitted: Thu Feb 05 2004
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ACCELERATION OF GRAVITY AIM To determine the acceleration of gravity in a free fall experiment. DIAGRAM METHOD * The experiment is carried out using the apparatus, as set up above. * The switch is used to open and close one circuit at a time. * The distance for the ball to fall is measured between the ball and the trapdoor with a ruler; a set square is used to see where the ball coincides with the ruler, making it a more accurate measurement. * Adjusting the height of the trapdoor can change the distance. * When circuit A is closed the power supply travels to the electromagnet, which magnetises the ball. * The timer is set to zero. * As the switch is moved, braking circuit A and closing circuit B, the power supply is cut off to the electromagnet and the ball falls. The power supply now travels to the timer and timing commences. The two actions happen simultaneously. *...
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