Physics · Pressure
A block of wood of dimensions 40 cm × 20 cm × 10 cm is kept on a tabletop in three different positions: (a) with its side of dimensions 20 cm × 10 cm; (b) with its side of dimensions 10 cm × 40 cm; and (c) with its side of dimensions 40 cm × 20 cm. If the pressure exerted by the wooden block on the tabletop in these positions is represented by PA, PB and PC respectively, which of the following trends is correct?
- 1PA < PB = PC
- 2PA = PB = PC
- 3PA < PB < PC
- 4PA > PB > PC✓
Correct answer
PA > PB > PC
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