Line 132:
Line 132:
* '''Prerequisites/Instructions, if any'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''
* '''Multimedia resources'''
−
Look at this picture [http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Gravity_action-reaction.gif/220px-Gravity_action-reaction.gif here]
+
Look at this picture [Image:http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Gravity_action-reaction.gif/220px-Gravity_action-reaction.gif here]
+
+
[http://en.wikipedia.org/wiki/File:Gravity_action-reaction.gif]
[http://en.wikipedia.org/wiki/File:Gravity_action-reaction.gif]