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# M2 Moments watch

1. closed.
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2. (Original post by Namige)

To find R, I have to take moments about A. By resolving mg, I can solve it by doing

or, .
Huh!

You want

or

But I'm wondering why you can't do

Because A(CofG) is not at 30 degrees to the horizontal - it's above that angle. And it should be R.AC, not h.AC.

or . Can someone shed some light on this?
That's is what you had initially, but should be R.AC, not h.AC.
3. (Original post by ghostwalker)
Huh!

You want

or

Because A(CofG) is not at 30 degrees to the horizontal - it's above that angle. And it should be R.AC, not h.AC.

That's is what you had initially, but should be R.AC, not h.AC.
Silly me! Thanks.

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