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# Edexcel M2 Help watch

1. Can anyone help me with this question please. Thank you.
Attached Files
2. Doc1344.doc (54.0 KB, 96 views)
3. aint too good with M2 i am sure others will help!
4. [a]

Resolve vertically

W + 2W + Rsin(theta) = F + Tsin(theta)

Resolve horizontally

Rcos(theta) = Tcos(theta)

Tsin(theta)(2a) = Wa + 2W(2a - x)
(6/5)aT = 5Wa - 2Wx
(6/5)aT = W(5a - 2x)
6at = 5W(5a - 2x)
T = 5W(5a-2x)/6a (as required)

[b]

Tsin(theta) = Rsin(theta)
(7/6)W = (3/5)[5W(5a - 2x)/6a]
(7/6) = (5a - 2x)/2a
(14/6)a = 5a - 2x
2x = 5a - (14/6)a
x = (4/3)a

[c]

Rcos(theta) = Tcos(theta)
T = [5W(11/3)a]/6a
T = (55/18)W
Tcos(theta) = (55/18)W x (4/5)
Tcos(theta) = (220/90)W
Tcos(theta) = (22/9)W

I have tried to make it as clear as possible, let me know if you do not follow any point.

Thanks
5. Thanks m8 for your work, can you please draw a diagram with the forces acting on the rod and string. Thanks
6. Can someone please draw a diagram of the force components for this question thank you.
7. (Original post by hussein)
Can someone please draw a diagram of the force components for this question thank you.

You lazy F**k. You should use IN's help as guide to working through the problem yourself.
You may think its clever getting someone else to do the work -but it will come back and bite you in the A*** one day!!

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