Tractors are often used on sloping fields, so stability is important in their design.

On the diagram, the centre of the X marks the centre of mass of the tractor.

(a) What is meant by the term centre of mass?

(1 mark)

(b) Explain how the design of the tractor could be changed in order to increase the tractor’s stability.

(2 marks)

(c) Explain why the tractor does not topple over. You may add to the diagram to help your explanation.

(6 marks)

How did you do? Click to show the mark scheme

From Q7 P3 AQA Specimen Paper (Higher)