7.1 - Introduction to Air Pressure
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is air pressure?
💡 Hint: Think about what air does to objects around us.
Name the SI unit for air pressure.
💡 Hint: It starts with 'P' and is named after a physicist.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the SI unit of air pressure?
💡 Hint: It starts with a 'P' and is linked to a famous physicist.
True or False: Air pressure increases with altitude.
💡 Hint: Consider what happens when you climb a tall mountain.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Given the air density at sea level is 1.225 kg/m³, calculate the air pressure at an altitude of 4000 meters.
💡 Hint: Remember to use the air density provided and apply it into the formula.
If a mercury barometer shows 760 mm (0.76 meters) of mercury, what is the air pressure in Pascals? (Density of mercury = 13600 kg/m³)
💡 Hint: Plug in the values into the formula and calculate as you did before.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.