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    Do car safety questions get much harder than question 5 on this paper? http://www.ocr.org.uk/Images/58048-q...-mechanics.pdf

    I thought that was a really nice question
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    (Original post by L'Evil Wolf)
    http://www.ocr.org.uk/Images/58048-q...-mechanics.pdf

    Anyone know how to do 6cii
    clockwise moments= W x 0.15 W=ma=45x9.81 (45x9.81) x 0.15= F x 0.600
    rerange to find f and thats it
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    (Original post by AlistairMcDonald)
    Do car safety questions get much harder than question 5 on this paper? http://www.ocr.org.uk/Images/58048-q...-mechanics.pdf

    I thought that was a really nice question
    Yh theres not much more they can to be honest its just rephrasing the same question
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    Good luck everyone, ive got a feeling there will be an Aristotle-Galileo question. Hasnt been one for a few years

    Hoping for a hard mechanics paper & easy EWP.
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    Oh no! I've just realised that the only people who are gonna be doing this exam are resitting! These grade boundaries gonna be rough!
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    june 2009 g481 Q5 aii any one know why the answer is not F=W/sin(theta)
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    (Original post by zzxxDash53xxzz)
    clockwise moments= W x 0.15 W=ma=45x9.81 (45x9.81) x 0.15= F x 0.600
    rerange to find f and thats it
    but isn't the weight force not perpendicuar it looks like there is some component.
    (Original post by zzxxDash53xxzz)
    june 2009 g481 Q5 aii any one know why the answer is not F=W/sin(theta)
    resolve and use trig
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    [QUOTE=L'Evil Wolf;65104985]but isn't the weight force not perpendicuar it looks like there is some component.

    it looks like it doesn't it, but it is the perpendicular distance so
    zzxxDash53xxzz was correct
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    When do you write the answer that force is perpendicular to motion ?
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    Anyone else freaking out about the exam today?
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    I ran out of time and only just managed to finish, couldn't check my answers. but I think it went ok!

    How did everyone else find it?

    Would like to start an unofficial mark scheme but can't remember a thing!!
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    I thought it went well. Did anyone get approximately 23mm for the penultimate question?
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    I thought was a pretty nice paper
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    quite easy 90/90UMS hopefully
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    (Original post by Agent47_)
    I thought it went well. Did anyone get approximately 23mm for the penultimate question?
    yup
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    (Original post by Agent47_)
    I thought it went well. Did anyone get approximately 23mm for the penultimate question?
    Yep! I got 23mm as well
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    (Original post by sadych)
    yup
    Nice. I think i got 60/60 Raw.
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    (Original post by Agent47_)
    I thought it went well. Did anyone get approximately 23mm for the penultimate question?
    I think so
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    Did anyone else get approx 23 cars for the motorcyclist jump question?
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    I got a lot of cars jumped by the motorbike, like 23. seemed a lot of cars to jump over
 
 
 
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