# Physics Test 2

 Mass is The number of atoms inside an object Mass is measured in Kg Weight is The pull or force due to gravity of the planet Weight is measured in Newtons / N The gravity of the earth 10N/kg or 10 m/ s2 The gravity of the moon 1/6 of the earth or 1/6 x10 N/ kg or 1/6 x10 m/s2 The gravity of space 0 N/kg or 0 m/s2 The formula to find weight mass x gravity The formula to find mass Weight gravity The formula to find gravity Weight mass Hooke's law There is always a direct proportion between force and length extention unless the object exceeds the elastic limit How the extention is found New length - original length Makes a spring harder Dense material, short length, smaller turns, thicker wire Makes a spring softer Not dense material, longer, larger turns, thinner wire If an object obeys hooke's law The graphs line is straight If an object disobeys Hooke's law The graphs line is curved The object that holds everything up Retort stand Shows you the extention Ruler/ scale Shows you the new length Pointer The object that is added on to see new measurements The load Measurements you need to take in Hooke's law experiment Weight and length A planet is large There is greater gravity AuthorAnonymous ID51322 Card SetPhysics Test 2 DescriptionWeights and springs, mass gravity Updated2010-11-23T16:31:42Z Show Answers