GCSE Questions: Moments and Centre of Gravity

Q1.The diagram shows a back view of a computer monitor.

(a) In normal use, the monitor is stable.

(i) Explain the meaning, in the above sentence, of the word 'stable'.

(2 marks)

(ii) State the relationship between the total clockwise moment and the total anticlockwise moment about any axis of the monitor when it is stable.

(1 mark)

(b) The instruction booklet explains that the screen can be tilted. It also includes a warning.

Explain why the monitor will tip over if the screen is tilted too far back. Include the words: centre of mass, weight and moment in your explanation.

(3 marks)

(Total 6 marks)