rotational-motion

Related Questions

• A metre scale is suspended vertically from a horizontal axis passing through one end of it. Its time period would be

  ---

• Two loops $P$and $Q$are made from a uniform wire. The radii of $P$and $Q$ are ${{r}_{1}}$ and ${{r}_{2}}$respectively, and their moments of inertia are ${{I}_{1}}$ and ${{I}_{2}}$respectively. If ${{{I}_{2}}}/{{{I}_{1}}=4}\;$ then $\frac{{{r}_{2}}}{{{r}_{1}}}$ equals

  ---

• A wheel of radius r rolls without slipping with a speed v on a horizontal road. When it is at a point A on the road, a small jump of mud separates from the wheel at its highest point B and drops at point C on the road. The distance AC will be

  ---

• In a rectangle $ABCD\,\,(BC=2AB)$. The moment of inertia along which axis will be minimum

  ---

• Three point masses ${{m}_{1}},\,{{m}_{2}},\,{{m}_{3}}$are located at the vertices of an equilateral triangle of length $'a'$. The moment of inertia of the system about an axis along the altitude of the triangle passing through ${{m}_{1}}$ is

  ---