Challoner, Jack. <br/><br/>
Push and pull /  [book] 

 - Austin, Tex. :  Raintree Steck-Vaughn,  c1997. 
 - 32 p. :  col. ill. ;  26 cm. 
 - Start-up science .
 - Challoner, Jack.  Start-up science. .
<br/><br/> Includes index. 
<br/><br/> Introduces the basic concepts of pushing and pulling in different situations. 
<br/><br/><label>ISBN: </label>081724316X 
<br/><br/><label>LCCN: </label>95047902  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics.<br/>Mechanics.
<br/><br/><label>LC Class. No.: </label>QC127.4  / .C47 1997 
<br/><br/><label>Dewey Class. No.: </label>531 CHA