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# An experiment to find the variables that affect the rate of a pendulum swing

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Introduction

James Noton 10G

## Plan

The factors that will be investigated in this experiment are the different variables affecting the time taken for a pendulum to swing. The factors that may affect the time of the pendulum swing include:

Middle

I predict that when the length of the string is increased the time of the swing will increase. The reason that this prediction is scientifically correct is largely due to the fact that the longer the string the larger the swing arc so the further the pendulum must swing.

Conclusion

In the case of a pendulum kinetic energy and potential energy are interchanged continually. The energy of the weights is all potential energy at the end of the swing and kinetic energy as it passes through the central position. Eventually all the energy is changed to heat as a result of overcoming air resistance.

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