In the 17th century, famed astronomer and physicist Galileo Galilei is said to have climbed to the top of the Tower of Pisa and dropped two different-sized cannonballs. He was trying to demonstrate ...

If you drop a light object and a heavy object from a tower, which one reaches the ground first? As you may recall from high school physics, this is a trick question. Neglecting air resistance, they ...

Experiments 1 and 2 dealt with ones that Galileo could have done and with a couple of thought experiments. This section deals with an experiment similar to one we know Galileo conducted. Trying to ...