An oil tank has a base area of $2.5\,\text{m}^2$ and contains oil to a depth of $1.2\,\text{m}$. The oil has a density of $800\,\text{kg m}^{-3}$. What force does the oil exert on the tank base?
- A$960\,\text{N}$
- B$2400\,\text{N}$
- C$9600\,\text{N}$
- D$24\,000\,\text{N}$