Pressure from Block Orientations · PhysicsBowl 2021 #16

Physics · mechanics

Problem

A uniform wooden block is a rectangular prism with dimensions of 10 cm x 6 cm x 2 cm. The block will be placed on a level table in one of three possible orientations with a side parallel to the tabletop. Let PLP_L equal the largest possible pressure the block can exert on the table and PSP_S equal the smallest possible pressure the block can exert on the table. What is the ratio PL/PSP_L/P_S? A) 5/3 B) 3 C) 5 D) 9 E) 25

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