A concrete slab 2 m long and 1.5 m wide exerts a pressure of 3000 Pa on the ground. Determine the mass of the slab.

bystudin | August 4, 2020 | Education

Given:
a = 2m
b = 1.5m
P = 3000 Pa.
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Decision:
P = F / S, F = mg
S = ab
Therefore, P = mg / ab, from here we find m = (P * a * b) / g
m = 3000 * 2 * 1.5 / 10 = 900kg.
Answer: Plate weight = 900kg.

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