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M2 - Centre of mass watch

1. Need help with q1a. I haven't done an example like this. Any hints?
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2. (Original post by Super199)
Need help with q1a. I haven't done an example like this. Any hints?
Assign some axes - I'd make A the origin.

Work out the x-coordinate of the CofM, and the y-coordinate.

Pythagoras will give you the distance.
3. (Original post by ghostwalker)
Assign some axes - I'd make A the origin.

Work out the x-coordinate of the CofM, and the y-coordinate.

Pythagoras will give you the distance.
Hmm. I tried working out the coordinates of B c and d from a.

B= 0.6,0
C = 0.6,-0.6
D =0,-0.6

I dont think im doing this right
4. (Original post by Super199)
Hmm. I tried working out the coordinates of B c and d from a.

B= 0.6,0
C = 0.6,-0.6
D =0,-0.6

I dont think im doing this right
CofM of each rod will be at its centre.
5. (Original post by ghostwalker)
CofM of each rod will be at its centre.
Cheers , got it

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