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3.6.4 Weight acting through a point (A-level only)

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Question 1
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A non-uniform rod PQ PQ\,PQ has length 6 m and mass 18 kg. The rod is supported by two light inextensible strings attached at P P\,P and RRR, where PR=5PR = 5PR=5 m.

Given that the tension in the string at P P\,P is twice the tension in the string at RRR.

a.

Find the tension in the string at RRR.

[2]
b.

Find the distance of the rod's centre of mass from PPP.

[4]

3.6.4 Weight acting through a point (A-level only) Questions

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  3. /3.6.4 Weight acting through a point (A-level only)