11th Class Physics Physical World / भौतिक जगत Question Bank Units and Measurements Conceptual Problems

  • question_answer
    Why do we treat length, mass and time as basic or fundamental quantities in mechanics?

    Answer:

                      In mechanics, the quantities like length, mass and time are taken as fundamental quantities because: (i) these quantities represent basic scientific notations, (ii) there is no other quantity simpler to them, (iii) length, mass and time cannot be expressed in terms of one another, and (iv) all other physical quantities in mechanics can be expressed in terms of these quantities.


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