O-LevelPhysicsForces5054/11 · May/June 2025 · Q111 Mark
A builder leaves two identical, heavy, stone tiles resting on soft earth. One is vertical and the other is horizontal. [Tiles on earth diagram] After a few hours, the vertical tile has started to sink into the soft earth. The horizontal one has not started to sink. Which row correctly compares the forces and the pressures that the tiles exert on the earth?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Aforces: different, pressures: different
Bforces: different, pressures: same
Cforces: same, pressures: different
Dforces: same, pressures: same
✓ Correct answer
C: forces: same, pressures: different
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