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

  • question_answer
                While passing nearby a pond, some students saw a drowning man screaming for help. They alerted another passerby, who immediately threw an inflated rubber tube in the pond. The man was saved. Respond to the given questions using the information provided above (a) Why the passerby did use inflated rubber tube to save the drowning man? (b) Write the principle involved here. (c) Which qualities shown by the students and the passerby do you identify that helped in saving the drowning man?     

    Answer:

       (a) Inflated rubber tube remains floating on water as the weight of water displaced by it is very high as compared to its own weight. So by holding the inflated tube the man will not sink in the water.                        (b) Archimedes' principle or law of buoyancy or law of floatation.                                       (c) The qualities shown by the students and passerby were helping and caring nature and awareness towards proper application.    


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