This brick has a density of \(\text{2000 kg/m}^3\).Calculate the largest pressure the brick will exert when placed on a flat surface on one of its six faces.Use gravitational field strength, \(g = 9.8\text{ N/kg}\).
Question
This brick has a density of .Calculate the largest pressure the brick will exert when placed on a flat surface on one of its six faces.Use gravitational field strength, .
Solution
To calculate the pressure exerted by the brick, we need to know the area of the face it's resting on and its weight. The weight can be calculated from the density and volume of the brick, and the gravitational field strength.
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First, we need to calculate the weight of the brick. Weight is calculated by multiplying the mass of the object by the gravitational field strength. However, we are given the density (mass/volume) of the brick, not its mass. So, we need to rearrange the density equation to solve for mass: mass = density * volume.
Without the volume of the brick, we can't calculate the exact mass or weight. But we can say that the weight of the brick is (density * volume * g).
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Next, we need to calculate the pressure exerted by the brick. Pressure is calculated by dividing the force (in this case, the weight of the brick) by the area over which the force is distributed.
Without the dimensions of the brick, we can't calculate the exact area or pressure. But we can say that the pressure is (weight / area) = (density * volume * g) / area.
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To find the largest pressure, we need to minimize the area, because pressure is inversely proportional to area. The smallest area will be when the brick is resting on its smallest face.
Without the dimensions of the brick, we can't determine which face is the smallest. But we can say that the largest pressure will be when the brick is resting on its smallest face.
So, the largest pressure the brick can exert is when it's resting on its smallest face, and it's calculated by (density * volume * g) / area of the smallest face.
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