9th Class Science Gravitation and Floatation Question Bank 9th CBSE Science Floatation

  • question_answer
      Saloni and Ishita went to beach for a walk. Saloni was wearing flat shoes, while Ishita wore high heeled shoes. Ishita was facing problem in walking in such shoes. Saloni held her hand so that she did not fall. Later, Ishita bought flat shoes and they both went back to the beach. Now, both are comfortable in walking in such shoes. Read the above passage and answer the given questions (a) Why could Ishita not walk on beach easily? (b) How did flat shoes help Saloni walk easily? (c)What are the values of Saloni?                                                    

    Answer:

       (a) The area of lshita's high heeled shoes touching the sand of beach was less, so she exerted more pressure on the sand. Her shoes were sinking in the sand, while walking.                                                                  (b) Due to large area of flat shoes, the weight of Saloni is spread over a large area of sand of beach producing small pressure. (c) Saloni was intelligent, scientific and helping.                                                                        


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