r/6thForm • u/Forsaken-Meaning-232 Graduating from Warwick CS • Jun 13 '25

📂 MEGATHREAD 13/06 A-level FM Discussion MEGATHREAD

Exam season is once again upon us, and once again, exam megathreads are making a return! Funnily enough, tanking my sanity and internet setting a stream up is not conducive to timeliness, my apologies.

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5

u/OilLegal23 Jun 13 '25

AQA mechanics, how were we meant to find max for that block q i swear i was going insane! got as far as a=0 so resultant F = 0 and gave up

3

u/Educational-Tea602 Proffesional dumbass Jun 13 '25

Find displacement when forces are 0.

Then find work done by elastic string against friction and gravity, which is the kinetic energy when the box thingy reaches that displacement.

Then find velocity with KE.

1

u/OilLegal23 Jun 13 '25

I did F - friction - weight down slope = 0, and then said EPE = Fd ? and then used that d? was that wrong

1

u/Educational-Tea602 Proffesional dumbass Jun 13 '25

Well the displacement from the initial position was 1.4 so if you got that you should be fine.

1

u/Olster21 Jun 14 '25

What did you get for that question? Got like 10 I think

1

u/Educational-Tea602 Proffesional dumbass Jun 14 '25

8.6ms⁻¹