Rohr, Ian. <br/><br/>
Forces / 
by Ian Rohr. 
 - London :  A. & C. Black,  2008. 
 - 24 p. :  col. ill ;  26 cm. 
 - Go facts. Physical science .
 - Go facts. Physical science .
<br/><br/> Includes index.  Originally published: Glebe, N.S.W.: Blake Education, 2007. 
<br/><br/><label>ISBN: </label>9781408102633 (cased) : £8.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy.