Britannica Workbooks : book ix physics force and motion 

 - New Delhi :  Encyclopaedia Britannica,  2002. 
 - vi,77p.;  28cm 
<br/><br/><label>ISBN: </label>81-7154-970-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530  / WOR