← Why Things Fall
📝 Unit 1 · Quiz
Unit 1 Quiz — The Ground Rules
Question 1 of 4
In a vacuum, you drop a bowling ball and a marble from the same height. What happens?
Why did people believe heavier objects fall faster for ~2,000 years?
Galileo's tied-together-balls argument shows that 'heavier falls faster' is…
On Earth, a flat sheet of paper flutters down slowly mainly because of…