Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 14

A solid block has sides of length L, 2L and 4L. The block is submerged in water of uniform density so that the faces with the largest area are horizontal, as shown. The upthrust acting on the block is U. The block is now rotated to a new position so that the faces with the smallest area are horizontal. The block remains fully submerged in the water. What is the upthrust acting on the block in its new position?

1. AU/4
2. BU
3. C2U
4. D4U

As printed in the paper