find maximum and minimum pressure exerted by a cuboid of mass 10 kg and length 4m, breadth 3m and height 1m.
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Given:
- Mass = 10 kg
- length, l = 4m
- Breadth, b = 3 m
- Height, h = 1 m
To be calculated:
Calculate maximum and minimum pressure exerted by a cuboid ?
Formula used:
- Weight of Cuboid = m × g
- Pressure = Force/Area
Solution:
We know that,
Weight = m × g
= 10 × 9.8
= 98 N
In the first case:
Force = 98 N
Area = 4 m × 3 m
= 12 m²
Now,
Pressure = Force/Area
= 98 / 12
= 8.16 N/m² or 8.16 Pascal (Approx)
Thus, the minimum pressure exerted by cuboid is 8.16 Pa .
In the second case :
Force = 98 N
Area = 3m × 1 m
= 3 m²
Now,
Pressure = Force/Area
= 98 / 3
= 32.66 N/m² or 32.66 Pascal (Approx)
Thus, the maximum pressure exerted by cuboid is 32.66 Pa .
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