Anyone know what this formula might be used for? (1 Viewer)

winot

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I was looking through the formula sheet for the new syllabus and saw a weird equation in the Mechanics section.
= -n^2(x-c)
I haven't seen any reference to it in the syllabus documents, tried googling it but couldn't find anything, and I'm really curious about what it says / used for.
I'd like if someone could clarify what it means, I've attached the pdf so please have a look :)
 

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Drdusk

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View attachment 27978
I was looking through the formula sheet for the new syllabus and saw a weird equation in the Mechanics section.
= -n^2(x-c)
I haven't seen any reference to it in the syllabus documents, tried googling it but couldn't find anything, and I'm really curious about what it says / used for.
I'd like if someone could clarify what it means, I've attached the pdf so please have a look :)
It's an equation of acceleration for anything undergoing simple harmonic motion with center x = c. An example is a pendulum.
 

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