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Vectors

The question which relates to the picture file I have uploaded is:

"The ring R is in equilibrium. Use a labelled vector triangle to determine the tension X."

Any explanation would be most welcomed. Even with the mark scheme it makes no sense!

Thanks.
vectors.JPG21.9KB
Reply 1
Avatar for Caesium
Caesium
OP
1
Actually, I've done it. Thanks anyway :smile:
Reply 2
Avatar for Mohit_C
Mohit_C
10
A bit of trigonometry is helpful in these types of questions.
Reply 3
Avatar for MSNBOY
MSNBOY
11
Mohit_C
A bit of trigonometry is helpful in these types of questions.

DRAW A SCALE DIAGRAM/TRIANGLE ITS MUCH EASIER I REMEMBER DOING THIS!
Reply 4
Avatar for Theorist
Theorist
10
I know you've already done, but just some tips that I'd like to share:

The above two posts, which are both entirely right, endorse the point that forces are vectors, so you can either use scale diagrams or trigonometry (which I would personally prefer).

Hope this is useful.
Reply 5
Avatar for Mohit_C
Mohit_C
10
C1 C2 and M1 knowledge is more that sufficient for vectors.
Reply 6
Avatar for -G-a-v-
-G-a-v-
16
not even C2 really. The only maths module that this ties in with is M1, the actual maths involved is just simple trig and pythagoras from GCSE
Reply 7
Avatar for Mohit_C
Mohit_C
10
Well yes, that's all you need.

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