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

  • question_answer
      Define the term centre of gravity. Does it vary from centre of mass always. Give reason with an example.

    Answer:

                      Centre of gravity is defined as the point at which the entire force of gravity is said to act.              (1) Centre of gravity and centre of mass coincide for little masses. For example in a uniform rod, they coincide. For larger extended bodies, they will not coincide, since ovaries.                                  (1)


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