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Gravitational Fields Questions

Q7.

(a) State what is represented by gravitational field lines.

[1 mark]

(b) The diagram shows the gravitational field above a small horizontal region on the surface of the Earth.

(i) Suggest why the field lines converge over a small area at K.

[2 marks]

(ii) A ball travelling at constant speed passes position J moving towards position K in the diagram above. Assuming friction is negligible, explain any change in the speed of the ball as it approaches K.

[2 marks]

(Total 5 marks)