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M1 Equilibrium Resolving

Hi there, I tried this question just now but it seems I've gotten it wrong..

Screen Shot 2014-03-30 at 19.06.21.png


Here's my working - can you help me correct it?

DSC_0949.jpg
Original post by Ki Yung Na
Hi there, I tried this question just now but it seems I've gotten it wrong..

Screen Shot 2014-03-30 at 19.06.21.png


Here's my working - can you help me correct it?

DSC_0949.jpg



I think you want to check your up and down forces again. I'm not sure where you got those equations from?
Original post by Ki Yung Na
Hi there, I tried this question just now but it seems I've gotten it wrong..

Screen Shot 2014-03-30 at 19.06.21.png


Here's my working - can you help me correct it?

DSC_0949.jpg


I think your signs are wrong when you resolved vertically?

I got 9sin60 + 16sn41 - Psintheta =0
(edited 10 years ago)
Original post by itssimplyme
I think your signs are wrong when you resolved vertically?

I got 9sin60 + 16sn41 - Psintheta =0


Original post by rayquaza17
I think you want to check your up and down forces again. I'm not sure where you got those equations from?


Oh great. :colondollar:

Thanks you guys, got it correct now.
Original post by Ki Yung Na
Oh great. :colondollar:

Thanks you guys, got it correct now.


No problem, well done! :smile:
I did it and got the angle as 76.4 and P as 18.8N

Edit: I see you have replies now!

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