| The weight of the balloon less ballast |
| The dynamic force due to airstream across the top of the hull |
| The weight of the displaced air |
| The drag due to airstream around the balloon envelope |
New: Boost Your Preparation!
On our site, you'll now find our new PRO Simulation Panel! Here are some of the exclusive benefits you get by unlocking it:
You can still continue with the free version, which gives you access to 75% of the questions with a limit of 3 simulations every 2 hours.
You have reached the free limit
Upgrade to the PRO version to practice without limits and unlock all features for a complete preparation.
Upgrading to PRO gives you access to:
...and much more!
π± Or discover the Apps to study offline too
Your next free test will be available in: 2 ore
QuizVds.it - Facebook - Contact Us - Donation - Cookie Policy - Privacy Policy - Terms and Conditions - Partner