Gravitational 2137

The whale, weighing 8 tons, was thrown aground by the sea. The whale is approximately 20 m long and 2 m wide. Estimate the pressure under the belly of a whale. Consider a value of the gravitational acceleration of 10 N/kg.

Final Answer:

p =  2000 Pa

Step-by-step explanation:

$$\begin{gathered} m=8\text{t}\to \text{kg}=8\cdot 1000\text{kg}=8000\text{kg} \\ a=20\text{m} \\ b=2\text{m} \\ g=10\text{N/kg} \\ S=a\cdot b=20\cdot 2=40{\text{m}}^2 \\ F=m\cdot g=8000\cdot 10=80000\text{N} \\ p=\frac{F}{S}=\frac{80000}{40}=2000\text{Pa} \end{gathered}$$

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