9th Class Science Force and laws of motion Question Bank Force And Laws Of Motion Summtive Subjective Problems

  • question_answer
    Father has mass 60 kg and the mass of his son is kg. What is the ratio of the inertia of the father to the inertia of his child?

    Answer:

    \[m\propto inertia\] \[{{m}_{1}}=60\,kg,\,\,{{m}_{2}}=30kg\] \[\therefore \frac{{{m}_{1}}}{{{m}_{2}}}=\frac{60kg}{30kg}\Rightarrow {{m}_{1}}:{{m}_{2}}2:1\]


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