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Flywheels rotate with a connecting rod; this is known as a shaft. The shaft is where energy moves in and out of the flywheel. This experiment is undertaken to show the actual time measured for a mass, connected to a flywheel with a piece of string, to travel a distance h is equal to the calculated time of the same height.

An example of flywheel applications is the replacement of substations in railway systems with flywheel systems. The number of passenger on trains are increasing, increase the weight load on the train, the spacing between trains decreases and voltage drops are becoming more common on rail systems.Substations can be upgraded to add power conditioning equipment, space constraints and difficulty of increasing power distribution can make it very costly to upgrade some substations. Another solution is to install flywheels to increase voltage output. The flywheel systems can be located in places where the voltage output is severe. Installing flywheels at tactical trailside locations can support voltage and reduce both the number and cost of substations required.

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The reduction of substations will reduce environmental impact.Aim/Objective To predict the time taken for a falling weight to accelerate a flywheels using the appropriate equations of motion. Theory Considering the forces acting on the decent mass and Newton’s 2nd law of motion Fine = ma MGM – T = ma MGM- T = ma (1) For the flywheel the tension T provides an acceleration torque for the flywheel.

I is the polar moment of inertia for the flywheel, a is the angular acceleration and r is the radius of the shaft solid cylinder the The moment of inertia of a (flywheel body).Disregarding the third attempt the calculated and recorded lines are virtually identical showing he theory was correct. There are two error present in this experiment: systematic and parallax.

A parallax error is an error in reading an instrument employing a scale and pointer because the observer’s eye and pointer are not in a line perpendicular to the plane of the scale. This was shown in the slight/large errors of the attempts height. Systematic errors in experimental observations usually come from the measuring instruments.

This may occur due to an error with the instrument or its data handling system, or because the instrument is wrongly used by the experimenter.The stopwatch may have not stopped immediately when pressed vying an error in the reading. Conclusion The objective was achieved in being able to predict the time taken for a specific falling weight to accelerate a flywheel using the appropriate equations of motion. The flywheel is a very important device for the future due to it being environmental friendly, not being affected by temperature changes and cannot fail mechanically.