Physics

Problem

A rectangular sheet of plywood measuring

2.0\,\text{m}\times1.5\,\text{m}

is laid flat on soft soil that can withstand a maximum pressure of

5.0\times10^{3}\,\text{Pa}

. Neglect the mass of the plywood itself. What is the greatest total mass that can be placed uniformly on the sheet without exceeding the soil’s pressure limit? (Use

g = 9.8\,\text{m}\,\text{s}^{-2}

.) a)

1.8\times10^{3}\,\text{kg}

1.5\times10^{3}\,\text{kg}

3.0\times10^{3}\,\text{kg}

1.0\times10^{3}\,\text{kg}

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