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

Question 1

64%

A non-uniform rod $PQ\,$ is horizontal, has length 6 m and mass 18 kg. The rod is supported by two light inextensible vertical strings attached at $P\,$ and $R$ , where $P R = 5$ m.

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

Find the tension in the string at $R$ .

[2]

Find the distance of the rod's centre of mass from $P$ .

[4]

Markscheme

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

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

6 exam-style questions on OCR (MEI) A Level Maths 3.6.4 Weight acting through a point (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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

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

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Question 1

64%

A non-uniform rod $PQ\,$ is horizontal, has length 6 m and mass 18 kg. The rod is supported by two light inextensible vertical strings attached at $P\,$ and $R$ , where $P R = 5$ m.

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

Find the tension in the string at $R$ .

[2]

Find the distance of the rod's centre of mass from $P$ .

[4]

Markscheme

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

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

6 exam-style questions on OCR (MEI) A Level Maths 3.6.4 Weight acting through a point (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.