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bicycle gears and going uphill

Postby minkycho » Sat Feb 02, 2019 9:29 am

My daughter's in the 3rd grade and we're trying to put together a science project that involves gears and going uphill.

Does anyone have a resource that could conceptually and graphically help her/us describe why it's easier to go uphill on a lower gear? All of the research we've come across seems a bit too mathematically and physics advanced.

I think we're going to do a variation on the jack and jill project that is listed under the project ideas.

I believe the hypothesis is that with the same force, the energy output to go uphill on a lower gear is less than on a higher gear??? Are we on the right track?

Help??? And thanks.

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Re: bicycle gears and going uphill

Postby rrv17 » Sun Feb 03, 2019 3:53 pm


Yes, you seem to be on the right track. While this website does not have a graph, it does break down the concept of bike gears pretty well:


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