Revision: Pressure Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 09 Pressure - Revision Quiz Test your understanding of Pressure here: 1 / 5 1) A brick of mass 1.0 kg has dimensions 20.0 cm by 8.0 cm by 6.0 cm. When it lies on a horizontal surface, what is the maximum pressure it can exert? 480 Pa 210 Pa 830 Pa 2100 Pa 2 / 5 2) Fig. 1 shows an inflated balloon that is placed inside a container that is connected to a vacuum pump. Fig. 2 shows the balloon after the vacuum pump was switched on for a few minutes. What pressure changes have occurred within the balloon and the air outside the balloon (in the container)? Pressure change in the balloon: decreases Pressure change outside: decreases Pressure change in the balloon: increases Pressure change outside: increases Pressure change in the balloon: increases Pressure change outside: decreases Pressure change in the balloon: remains the same Pressure change outside: decreases 3 / 5 3) Which of the following is not a good approximation of normal atmospheric pressure? 100 kPa 1 atm 760 cmHg 1000 millibar Atmospheric pressure can be expressed as 76 cmHg or 760 mmHg. 4 / 5 4) The following box has a mass of 200 kg. What is the maximum pressure the box can exert on the floor? 17 kPa 1.7 kPa 3.3 kPa 33 kPa 5 / 5 5) Which of the following locations would a person experience the highest air pressure? In a coal mine 100 metres below sea level. On the top of Mount Everest. At sea level. Inside an aeroplane which is flying at 10 000 metres. Your score is Restart quiz
