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4.2.1 Moments (A-level only)

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Question 13

A uniform plank $AB\,$ has length 5 m and mass 8 kg. The plank rests horizontally on two supports $M\,$ and $N$ , where $A M = 0.5$ m and $A N = 4$ m.

Find the magnitude of the reactions of the support at $M\,$ and $N$ .

[3]

A block is now placed at $B\,$ and the plank is on the point of tilting about $N$ . Find the weight of the block.

[3]

Find the magnitude of the reaction at $N$ .

[2]

Markscheme

4.2.1 Moments (A-level only) Questions

A Level
Maths
4.2.1 Moments (A-level only)

33 exam-style questions on CCEA A Level Maths 4.2.1 Moments (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

4.2.1 Moments (A-level only)

Question bank

4.2.1 Moments (A-level only)

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Question 13

A uniform plank $AB\,$ has length 5 m and mass 8 kg. The plank rests horizontally on two supports $M\,$ and $N$ , where $A M = 0.5$ m and $A N = 4$ m.

Find the magnitude of the reactions of the support at $M\,$ and $N$ .

[3]

A block is now placed at $B\,$ and the plank is on the point of tilting about $N$ . Find the weight of the block.

[3]

Find the magnitude of the reaction at $N$ .

[2]

Markscheme

4.2.1 Moments (A-level only) Questions

A Level
Maths
4.2.1 Moments (A-level only)

33 exam-style questions on CCEA A Level Maths 4.2.1 Moments (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.