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Physics principals in a playground

Extracts from this document...

Introduction

Principals of Physics in a playground

Slides:

A slide shows the conversion of energy (energy that changes from one to another, it will never be created nor destroyed), friction (resistance) and gravity. Slides will only work if gravity does its work, however the person will have to nudge forward a little to go down. Without the work of gravity, the person will not be able to slide down.

When a person sits on top of the slide, potential energy is present, as

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Middle

image00.png, acceleration will be near to 9.8 msimage00.png.  

The force of the person on the slide is equal to the person mass times their acceleration. So the larger the person’s force is, the slower the acceleration is.

F=MA

Friction is the resistance to the two moving objects that touch; friction reduces your speed so

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Conclusion

We know this because Newton’s third law states that for each action there will always be an equal or opposite force reacting towards it.

The only way to get a faster ride down a slide is to minimise the amount of friction that is acting upon the person while going down the slide, this can be done by wearing smooth material, so the biggest factor is usually what you are wearing.

Diagram below:

image01.png

Source:

http://www.soschildrensvillages.org.uk/imgs/content/children-playing-on-slide-Brazil.jpg

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