Edexcel A Level Further Mathematics Paper 3C (9FM0 3C) - 7th June 2024 [Exam Chat]

Welcome to the exam discussion thread for this exam. Introduce yourself! Let others know what you're aiming for in your exams, what you are struggling with in your revision or anything else.

Wishing you all the best of luck.

General Information

Date/Time: 7th June 2024/ PM

Length: 1hr 30 mins

Resources:

Edexcel A Level Further Mathematics

Welcome to the exam discussion thread for this exam. Introduce yourself! Let others know what you're aiming for in your exams, what you are struggling with in your revision or anything else.

Wishing you all the best of luck.

General Information

Date/Time: 7th June 2024/ PM

Length: 1hr 30 mins

Resources:

Edexcel A Level Further Mathematics

Original post by sorince

Hello ,

I have done this question and got the correct answer however, i used physics knowledge E=1/2Fe in order to get the answer .

Would i be panelised for it?

I have done this question and got the correct answer however, i used physics knowledge E=1/2Fe in order to get the answer .

Would i be panelised for it?

It sounds the obvious way to do the question and fm does cover elastic energy so its on the spec. Writing EPE as 1/2*tension*extension is just a simple substitution.

(edited 1 month ago)

Original post by mqb2766

It sounds the obvious way to do the question and fm does cover elastic energy so its on the spec. Writing EPE as 1/2*tension*extension is just a simple substitution.

I get what you are saying but I've never come across 1/2* tension*extension on any mark scheme or even in the content book

Original post by sorince

I get what you are saying but I've never come across 1/2* tension*extension on any mark scheme or even in the content book

Id not overthink it. The question seems 10 easy marks approached the right way, so tension=50 (3:4:5 - pythagoras) and epe = 10=1/2*50*e, so length=0.9.

EPE is essentially work done so the integral of force wrt distance. So thinking of it as 1/2*tension*extension is arguably closer to the definition than the usual form of 1/2Ke^2. You could have solved for both K and e using the tension and energy equations, though thats simpy unnecessary for the question.

(edited 1 month ago)

Original post by sorince

I get what you are saying but I've never come across 1/2* tension*extension on any mark scheme or even in the content book

But you have come across 1/2 ke^2, right? You can show a brief derivation of 1/2 Fe starting from 1/2 ke^2.

Original post by Beast111

So what’s the answer and where is this question from?

question is from pre 2017 spec , so from M3 module but i used it to revise for my further mechanics maths alevel exam.

Answer is 0.9m

Original post by sorince

question is from pre 2017 spec , so from M3 module but i used it to revise for my further mechanics maths alevel exam.

Answer is 0.9m

Answer is 0.9m

Oh okay thanksss. Pretty straight forward question for 10 marks lol I wish further mechanics papers were still like this haha

Original post by sorince

question is from pre 2017 spec , so from M3 module but i used it to revise for my further mechanics maths alevel exam.

Answer is 0.9m

Answer is 0.9m

Just something that popped after you replied on the physics gcse you do the

EPE = 1/2 force * extension

http://chubbyrevision.weebly.com/work-and-energy.html

so EPE is the area of the triangle (integral of force with respect to extension) but as the force is k*extension, its the usual 1/2ke^2

Original post by Beast111

Oh okay thanksss. Pretty straight forward question for 10 marks lol I wish further mechanics papers were still like this haha

100% i got a pretty sweet exam question booklet its all the exam questions split by topic and it makes everything 100x smoother when revising.

Original post by g-21

Can you share the booklet pls if udm?

https://drive.google.com/drive/folders/1PbMKkbnpZIAZphbZzarDg-4AhkYU70Jr?usp=sharing

Markschemes are at the end

(edited 2 weeks ago)

Original post by sorince

https://drive.google.com/drive/folders/1PbMKkbnpZIAZphbZzarDg-4AhkYU70Jr?usp=sharing

Markschemes are at the end

Markschemes are at the end

Thank you

Original post by sorince

Hello ,

I have done this question and got the correct answer however, i used physics knowledge E=1/2Fe in order to get the answer .

Would i be panelised for it?

I have done this question and got the correct answer however, i used physics knowledge E=1/2Fe in order to get the answer .

Would i be panelised for it?

My answer using FM1 methods.

I don't do A level Physics so I have no idea how else you would do this other than doing what I've done. The only other thing I would say is that by the looks of things, this is from the old spec because this is Normal maths and I believe that strings and springs used to be in Normal Mechanics? A telltale sign of this is the resolving stuff and the fact that this question is 10 marks. In FM1, I would say max marks for this would be 5 or 6.

I might be wrong with saying that this was in the old A level but there was a massive rejig of topics in the new spec.

Hope this was helpful.

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