Ahmad, Brandon, Claire and Darren placed four identical metal cubes, A, B, C and D, in different positions as shown in the diagram below. Cubes A and C were hung from a ceiling using wires while cubes B and D were placed on wooden poles of the same height.

Which of the following statements made by the four pupils is/are true about the amount of gravitational potential energy the four cubes have?

(You may select more than one answer)

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