Galileo Galilei
Galileo was a Italian astronomer
How he proved that all objects fall with the same acceleration
Galileo went to the Leaning Tower of Pisa to drop two spheres to prove that all objects fall with same acceleration.He did it he dropped them and boom he proved that all objects fall with the same acceleration and proved that Aristotles theory about gravity was false.
How Galileo helped us in our life
He made the telescope and that helps us today by helping us further understand the world and universe around us.
Here are 3 pics of his inventions/experiment
Pendulum Clock
This is the 1st Pendulum Clock that Galileo made.Galileo worked with pendulums. In his life, accurate timekeeping was virtually nonexistent. Galileo observed, however, that the steady motion of a pendulum could improve this. In 1602, he determined that the time it takes a pendulum to swing back and forth does not depend on the arc of the swing. Near the end of his lifetime, Galileo designed the first pendulum clock.
Telescope
Here is a telescope not the 1 Galileo made but one like it.In 1609, he first learned of the existence of the spyglass, which excited him. He began to experiment with telescope making, going so far as to grind and polish his own lenses. His telescope allowed him to see with a magnification of eight or nine times. In comparison, spyglasses of the day only provided a magnification of three.
The Leaning Tower of Pisa Experiment
He did a experiment from the top of the Leaning Tower of Pisa.The Ancient Greek philosopher, Aristotle, taught that heavier objects fall faster than lighter ones, a belief still held in Galileo's lifetime. But Galileo wasn't convinced. Experimenting with balls of different sizes and weights, he rolled them down ramps with various inclinations. His experiments revealed that all of the balls boasted the same acceleration independent of their mass.
https://youtu.be/buL3h-ofloA