posted by Joan .
Air molecules create an upward force that impacts the free fall of objects on the surface of the Earth, differing form the way an object would fall in vacuum.
Question: What kind of objects should be used for experimentation if we want to limit the impact on our experimental measurement of the acceleration of gravity. And what objects should be avoided? Why is a basketball chosen
One wants to use very streamlined objects. Basketball, because it is handy. It is not streamlined