Motion and forces/ 

 -  c2005 
 - xxxii, 176p.:  ill.;  27.7 cm 
<br/><br/> includes glossary and index 
<br/><br/>Unit I. Motion  --II. Forces  --III. Gravity, friction, and pressure  --IV. Work and energy  --V. Machines. 
<br/><br/><label>ISBN: </label>0-618-3342-4 
<br/><br/><label>Dewey Class. No.: </label>BRef. 531.11  / M857 2005