Pressure from Two Cubes on Table · CAP 2012 #23

Physics · mechanics

Problem

Two cubes, with respective masses M1M_1 and M2M_2 and side lengths L1L_1 and L2L_2, are lying on a smooth table as shown. What is the pressure exerted by the cubes on the table? [Figure: Two cubes with different sizes sitting on a table, labeled with masses M1M_1, M2M_2 and side lengths L1L_1, L2L_2] a) M1gL12+M2gL22\frac{M_1 g}{L_1^2} + \frac{M_2 g}{L_2^2} b) M1gL12+M2gL12\frac{M_1 g}{L_1^2} + \frac{M_2 g}{L_1^2} c) M1gL22+M2gL22\frac{M_1 g}{L_2^2} + \frac{M_2 g}{L_2^2} d) None of the above.

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