Physics (AS & A Level) · May / June 2025 · Paper 13 · Question 16
9702Gravitational potential energy and kinetic energy
Four identical uniform blocks are spread on a table. Each block has mass m and thickness h. The acceleration of free fall is g. How much work is done on the blocks in stacking them on top of one another?
- A3mgh
- B6mgh
- C8mgh
- D10mgh
As printed in the paper
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Correct answer: B. 6mgh
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