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Materials Required:


               A tennis ball, a spring.


               Observation:


               We observe that shape of the tennis ball and spring changes on the application of force.


               Inference:


               Force can move a stationary object.


               Force can stop a moving object.


               Force can change the speed and direction of a moving object.


               Force can change the shape and size of an object.


               .

















                                                  SAI International School

                                                      Subject- Physics

                                              Class room Activity Work Sheet 1

                                                      Session: 2020-21


               Name:                                                     Admn. No:                             Class/Sec: (              )
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