Gravitational pull is the invisible force that causes massive objects to pull other objects towards them. For instance, when a person jumps up in the air, it is the earthâs gravitational pull... Gravitational pull is the invisible force that causes massive objects to pull other objects towards them.
Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, and GNU/Linux. You can use Audacity to: 1  Record live audio; 2  Cut, Copy and Paste, Delete, Duplicate, and Split audio files; 3  Change the speed, pitch or volume of a recording; 4  Apply effects to any part of the sound; 5  Align audio segments.
Tech Integration Classroom Project. Subject: Mathematics. Platform: PC. Application: Audacity 1.1.1. The process for creating the example project using Audacityâ¢ sound-editing software is described below. The Completed Project Movie shows you what the example project might look like. The tutorial movies that follow demonstrate, step-by-step, how to examine audio files graphically and edit music.