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Running head: LAB ASSIGNMENT 9: GRAVITY
LAB ASSIGNMENT 9: GRAVITY
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LAB ASSIGNMENT 9: GRAVITY
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LAB ASSIGNMENT 9: GRAVITY
Abstract
Gravity is one of the most common forces in nature. This force acts between two objects.
There is scientific proof that an object in space experiences a gravitational force that ties to pull
it down towards the earth’s surface. This laboratory experiment is divided into two parts.
Experiment 1 was carried out by subjecting a variety of objects to the force of gravity.
Experiment 2 involved using a flashlight as an analogy to illustrate the inverse-square law of
gravity. This report comprises of an introduction, materials used and methods followed,
summary and discussion of the results obtained, and conclusions arrived from the experiment.
Introduction
Gravity is a force of attraction between two objects. This force always tries to pull the
two objects together. The concept of gravitational force was introduced in the 17th century by Sir
Isaac Newton when he observed a falling apple while brainstorming the forces of nature. As per
Newton’s second law, an object accelerates towards the earth’s surface at a rate equivalent to its
weight divided by mass (Solomon, 2011).
h
F=mg
Surface of Earth
F = ma = mg
This implies that a = g.
LAB ASSIGNMENT 9: GRAVITY
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The invers...