Energy and movement 

 - Chicago :  Encyclopaedia Britannica,  2008. 
 - 101 p. :  col.ill. ;  28 cm. 
 - Britannica Illustrated Science Library .
 - Britannica Illustrated Science Library .
<br/><br/><label>ISBN: </label>9781593393823 (set) 9781593393878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy.<br/>Power (Mechanics)<br/>Power resources.