Check out Mythbusters. They did a show with pigeons and a model helicopter in a truck to test whether the truck became lighter when things inside the truck were in flight.
They tested the pigeons and the helicopter separately otherwise things might have got a bit messy.
Animal_Soul_ t1_je8qcge wrote
Reply to comment by bureau44 in eli5 What would happen if I had a big enough airplane to throw a ball around then the airplane turns while the ball is in mid air? by the_lost_cheeto
Check out Mythbusters. They did a show with pigeons and a model helicopter in a truck to test whether the truck became lighter when things inside the truck were in flight.
They tested the pigeons and the helicopter separately otherwise things might have got a bit messy.