9th Class Science Sample Paper Sample Paper - 5 Term - 1

  • question_answer
      A student measured the minimum force F1 to just move a rectangular wooden block with largest surface area on a surfaceby a spring balance. Again measured the minimum force F2 to just move the block kept with smallest surface area on the table. After repeating his experiment, he established a relation between the two forces. Find this relation.


       as vertical reaction is same in both cases.                                                                                                              (1)

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