Recent content by TomWij

Thank you LeonhardEuler for answering the question. :-)

There are different opinions on this question, that's why we are looking for confirmation on what would be the right opinion.

I think it's possible, but I'm not sure, that's why I am here to ask others.

The thread title is meant to be "Can a fly lift a balloon", it's Tom now due to a small mistake while posting. This question was raised on a dutch technology forum. Specific: Can a fly in a balloon lift the balloon by flying upwards against the top of the balloon? More general: Can a flying...