Question

the mass of box is 30 kg . find the pressure exerted by the box in the ground , if it is made to rest with its dimensions , 100cm ×50cm (given g=10m/s2)
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Answer 1

Answer:                                                                                                                        Dimensions 30 cm x 20 cm x 15 cm = 0.3 m x 0.2 m x 0.15 m

The resting surface has an area = 0.2 x 0.15 = 0.03m²

Weight of the cuboid = 30 x 10 = 300N

Pressure = Force(Weight) / Area

               = 300/0.03 = 10000 N/m²