Balloon

Classical Mechanics Level 3

A balloon with mass \(m\) is descending down with an acceleration \(a\) (where, \(a<g\)). How much mass should be removed from it so that it starts moving up with an acceleration \(a\)?

Note: Ignore air resistance.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.