The weight of a block of granite 1 ft × 2 ft × 4 ft is 1320 lb. If it stands on a large face (4 ft × 2 ft), what is the pressure on the bottom face? A) 1.15 lb/in² B) 2.29 lb/in² C) 4.58 lb/in² D) 9.17 lb/in²

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Quizplus · Accepted Answer

The pressure on the bottom face is equal to the weight of the block divided by the area of the bottom face. The weight of the block is 1320 lb, and the area of the bottom face is 4 ft × 2 ft = 8 ft². Therefore, the pressure on the bottom face is 1320 lb / 8 ft² = 165 lb/ft² = 1.15 lb/in².

The Weight of a Block of Granite 1 Ft ×