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4.  If energy is conserved, why are we                                  and  that  force
                                                           running out of it?                                                  does work



                  What  representations  would    Sketches of different objects that are under  Sketches of different objects that  Sketches   of
                  you  use  in  your  teaching      influence of an applied force and frictional  are under influence of an applied  objects  obeying
                  strategies?
                  (Representations)                 force in the direction of the displacement   force  perpendicular  to  direction  Newton’s  First

                                                                                              of the displacement              Law of motion
                  What do you consider difficult or    What  is  easy  about  teaching  this  idea  is  Emphasising  that  each  force  None
                  easy in teaching this idea?       that  the  formula  is  straight  forward  and  parallel  to  the  displacement
                  (What  is  difficult  or  easy  to
                  teach)                            learners  are  already  familiar  with  the  does  work  and  the  net-work  is
                                                    quantities in the formula                 the sum of all work done by such

                                                                                              forces could be a challenge.
                  *What      effective   teaching    Discussion, Explaining and Demonstrating  Discussion,   Explaining   and   Discussion,
                  strategies  would  you  use  to                                             Demonstrating                    Explaining  and
                  teach this idea?
                  *What  questions  would  you                                                                                 Demonstrating
                  consider  important  to  ask  in
                  your teaching strategies?
                   (Conceptual          Teaching
                  Strategies-CTS)
                     4.      Resources (LTSM)
                                   (media)
                           Slides, Smart board and
                           Textbook
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