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Edexcel Mechanics M1 2018 Unofficial Mark Scheme

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Reply 40

henryporterr77

hoping for low grade bounderies did very avergae!

Reply 41

RhiannaTimms

That was an awful paper..

MOB

Original post by NP2803

Think you’ve f’d up tbh cause I’m seeing others get 6.66 so couldn’t have all made the same misltake

Definitely 6.66, and discussing with a few others in my class had the same.

Reply 44

Ssg2000

For question 2 the value of P is 6.66 because the friction acts up the slope as it’s the minimum force required to keep it in equilibrium

Reply 45

sgsb0y

Original post by officialjulie1

again, I got 9 people and not tryna be cocky but I’m 100% right I triple checked so you’ve just bagged urself 7 marks bud

Nvm, just checked, I forgot to put -250g on the left side, the answer is 6 ffs :frown:

(edited 5 years ago)

Reply 46

JSC16

Original post by NP2803

I got 6.66 and other people did to so not really sure now

Mate, I got 6.66 and I’m sure that’s right Cus the rest is simple it’s the fact that it said find the least force on P so you know that it was on point of sliding down

Reply 47

frankabagnale

Original post by Wisdom2

P = 16.4
Tension in C = 735N Tension in D = 1323N
velocity of P = 1/4u
Velocity of Q = 5/4u
Lift Q part a 3050N b) 6 people

Yeah I am 100% of 1a and 1b

hopeful 6 people is right too!

Reply 48

Rockgo288

for question 2, did you guys just find the normal reaction first and then subbed it into the equation for resolving forces down the slope?

Reply 49

cesecky

Original post by officialjulie1

If you didn’t get 5.42 you must’ ****ed up with sin or cos somewhere, maybe done them the wrong way around, I do these questions in my sleep and it was defo 5.42

I got a different answer if I typed everything separately (13 something) and the 5.42 if I put it in all together - I crossed out the 5.42 rip

Reply 50

Stalinsleftnut

Original post by Wester123

7 people in lift i got

i got 9 lmao

Reply 51

Rekkerz

What the actual f was that paper....
Here's what I got but pretty sure most of them are wrong:
3.75
2 = 31.1
2898
24
t= 0.1
33 people (wrong)
34.9
a= 8.2
Pretty sure I flopped that

I got 6.7 for P

I swear it said find the max value of P not minimum?

Reply 54

frankabagnale

DAMN IT i put 31.1 and i had 6.66 aswell, just guessed and went for the wrong one :frown:

Lift was 6 people no? it was like 6.9... so it had to be 6?

Reply 55

jackyuan29

Original post by Exam stress12345

How did people find it in general?

hard

Reply 56

Anna_whitworth

Original post by Jmcox15

I got the lift as 7 people as i had 7.76 people so i rounded down

Same! I feel like we forgot the mass of the lift when considering the Acceleration. How many marks will I loose?

Reply 57

Joel.J

Original post by sgsb0y

I got 9 for the lift

10000-100-75gx= (75x 250)3

EDIT: nvm it’s 6

I did exactly that as well!!. I got 9 point something so I rounded down to 9

Reply 58

MediumFanta

Original post by Wester123

7 people in lift i got

think it was 6 gotta math.floor that ****

Reply 59

Hollytrippe

Original post by officialjulie1

If you didn’t get 5.42 you must’ve ****ed up with sin or cos somewhere, maybe done them the wrong way around, I do these questions in my sleep and it was defo 5.42

Did you remember to change the 20 degree angle to 50 degrees?

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Edexcel Mechanics M1 2018 Unofficial Mark Scheme

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