Standard Science Primary 6 Energy

Two identical balls, A and B, are placed at different heights on a shelf. Ball A is at 1m and Ball B is at 2m. Which statement is correct?

A Ball A has more gravitational potential energy.
B Both balls have the same gravitational potential energy.
C Neither ball has gravitational potential energy.
D Ball B has more gravitational potential energy.
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Worked Solution

Step 1: Gravitational potential energy (GPE) depends on mass and height. Step 2: Since the balls are identical (same mass), the one at the greater height has more GPE. Step 3: Ball B is higher, so it has more GPE.

Correct answer: Ball B has more gravitational potential energy.

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