It seems that understanding and solving physics word problems is difficult for many students.  Here are some web pages that may prove useful.

Polya’s Recipe for Problem Solving

 Cooperative Group Problem Solving in Physics

A Logical Probelm Solving Strategy

Suggested reading:

Hewitt, Paul G. 2006 “Problems Without Numbers–at First”>  Science Teacher 73(5): 40-42.

Gaigher, E. 2007 “Exploring the Development of Conceptual Understanding Through Stuructured Problem-Solving in Physics.” International Journal of Science Education 29(9): 1089-1110.

Sherin, Bruce. 2006 ”Common Sense Clarified: The Role of Intuitive Knowledge in Physics Problem Solving” Journal of Research in Science Teaching v43 n6 p535-555