Falling Objects

# Falling Objects - Falling Objects Gravity and Measurements...

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Falling Objects, Gravity and Measurements Goals of the Experiment The goal of this experiment is to investigate and understand the gravitational acceleration constant g through measurement and understand what it means to make a good measurement. Introduction Gravity is not a force like many people of the world believe. Yet everything is held firmly to the earth by it. Everyone and everything is affected by some form of gravity at any instant. As the earth continues to pull the skydiver down to the earth, that skydiver continues to fall at approximately 9.8 m/s. This is where the gravitational constant g is derived from. Although not everything is falling continuously when firmly planted on the surface of earth, the earth continues to pull on everything with a force of 9.8 Newtons per kilogram (N/kg). These Newtons per kilogram are what give objects weight. The reason that certain objects feel heavier is because the earth is just pulling on it harder because it has more mass to be pulled. Ironically, every object falls at approximately the same rate, 9.8 m/s. Even though one might automatically think a rock falls faster than a feather, they’re wrong when air resistance to the feather is nullified. For example, when one of the Apollo missions landed on the moon, an astronaut dropped a hammer and a feather and they fell at the same rate and hit the moon at the same time. Experimental Method

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## This note was uploaded on 09/17/2008 for the course PHYS 01 taught by Professor Jackson during the Spring '08 term at Arizona.

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Falling Objects - Falling Objects Gravity and Measurements...

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