Science explorer :  motion, forces and energy / 

 - New Jersey :  Prentice Hall,  c2000. 
 - 224 p. :  col., ill. ;  27 cm. 
<br/><br/><br/>English. 
<br/><br/><label>ISBN: </label>0134344928 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy.