A block of mass 4 kg and dimensions 10 cm x 20 cm x 30 cm rests on the floor. If g= 10
ms, then the maximum pressure the block can exert on the floor is (NSO-2016)
(A) 2000 Nm? (B) 1000 Nm (C) 4000 N m2 (D) 1333 N m2
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Answer:
max pressure if area is min
min area is 10x20 x 10–⁴m2
max pressure is. 4x10/10x20
= 2000 n/m2
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