inertia ⪢⪢
http://qindex.info/i.php?x=16201
 09 Relative Motion and Inertial Reference Frames
Relative Motion and Inertial Reference Frames
http://qindex.info/i.php?x=4807
 11 Newton's First Law of Motion: Mass and Inertia
Newton's First Law of Motion: Mass and Inertia
http://qindex.info/i.php?x=4809
 14 Mass vs. Weight and the Normal Force
inertia, parlance, appreciable, exert
http://qindex.info/i.php?x=4812
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