Edexcel | A-Level Statistics and Mechanics June 2018 Paper 3 Q9(a) | ExamSolutions

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Worked solution to Edexcel A-Level June 2018 Statistics and Mechanics Paper 3 Question 9(a) on moments.

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wouldnt you include friciton acting upwards

JazzFusionEnjoyer
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Wouldn't you include a reaction force R coming from the plank vertically upwards acting on 3Mg?

lpsgirl
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im starting a level maths this year and have my exam in june, im having to self study to be ahead. There is a topic in statistics called "Statistical
sampling" i can't find it on your webiste, can you add it to the list sir? thanks a lot.

ketchurself