## Pressure in liquids

**[Density of water = 1000 kg/m**

^{3}; force due to the Earth's gravity (g) = 10 N/kg]**1. When you go deeper into a swimming pool the pressure on you gets ……………….………**

**2. (a) If you could dive into a swimming pool of mercury the pressure would be …………….**

**than at the same depth in a swimming pool of water.**

**(b) This is because the ……………………………… of mercury is ……………………….than**

**that of water.**

**3. The pressure below 5 m of water is ……..……….. that below 10 m of water.**

**(Ignore the pressure of the atmosphere when answering this question).**

**4. Dams are thicker at the bottom than at the top because ……………………………………. ………………………………………………………………………………………………………….**

**5. If the pressure hull of a submarine broke the submarine would be …………………………**

**6. To stop divers getting the "bends" they should come up to the surface …………………….**

**7. The glass used to make the sides of large aquaria must be very ………………. because of the ………………………………………………………..**

**8. Write down the formula that you would use for finding the pressure in a liquid.**

**…………………………………………………………………………………………………………**

**9. The pressure 2 m below the water surface of a swimming pool is:**

**………………………………………………………………………………………………………..**