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# IAL Mechanics 1 20January exam! Watch

1. How do you feel about it?
2. And btw - can anyone remind me the task with a block 2kg on the slope?? Was it moving downwards or up?? I don't remember
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3. Super hardd I couldnt do the moment one I think it was on the point of moving downward
4. For the moments questions, for part a, did they mention that the normal reaction forces on A and B were equal?

5. (Original post by Faisal1997)
For the moments questions, for part a, did they mention that the normal reaction forces on A and B were equal?

No they didnt
6. I came back home i solved it but i assumed the both Rs are equal and i got x, but thats incorrect since both Rs are unequal, so how do you solve it?
7. (Original post by Faisal1997)
I came back home i solved it but i assumed the both Rs are equal and i got x, but thats incorrect since both Rs are unequal, so how do you solve it?
i think you need to assume that one of the support have no reaction and the other one is at the point of tilting to get the maximum T and X
8. They didn't

Downwards??? Pretty sure???

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9. I wrote that one of forces is zero so the second is maximum 3w

Are you all serious, it was downwards??? My God..

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10. Panic... I lost 10 marks already when I needed 91% in this particular module so to get an A... That's a big **** fir me if it's downwards... I don't I misread though

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11. How did they formulate it exactly there?

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12. (Original post by innocent98)
i think you need to assume that one of the support have no reaction and the other one is at the point of tilting to get the maximum T and X
I dont think they mentioned anything about the rod tilting
13. They didn't, but it's that very maximum suitable. .I asked my teacher, he said that take if tilting

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14. (Original post by J2JW)
How did they formulate it exactly there?

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Could you remind me of the question you're asking about the particle im assuming moving downwards? Cause im not sure of it
15. (Original post by Faisal1997)
Could you remind me of the question you're asking about the particle im assuming moving downwards? Cause im not sure of it
The task where the particle is on the slope, 2 kg, has acceleration of 1.45ms-2, and you need to find X - the force horizontal to the ground

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16. (Original post by J2JW)
The task where the particle is on the slope, 2 kg, has acceleration of 1.45ms-2, and you need to find X - the force horizontal to the ground

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Ohh, yes it was moving up the greatest plane, so Fr is downwards
17. (Original post by Faisal1997)
Ohh, yes it was moving up the greatest plane, so Fr is downwards
I wish it was really true and on the mark scheme..

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18. (Original post by J2JW)
I wish it was really true and on the mark scheme..

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It was upward. At first i was i thinking about the one with tension pulling up.
19. (Original post by innocent98)
It was upward. At first i was i thinking about the one with tension pulling up.
It's fine
Yes, it was downwards with tension, they even said it.
20. does anyone have the mechanics 1 paper? the unofficial mark scheme for c12 came out.

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