Related Questions

Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is
A $$\frac{{{\text{d}}{{\text{b}}^3}}}{{12}}$$
B $$\frac{{{\text{b}}{{\text{d}}^3}}}{{12}}$$
C $$\frac{{{\text{d}}{{\text{b}}^3}}}{{36}}$$
D $$\frac{{{\text{b}}{{\text{d}}^3}}}{{36}}$$
Inertia of a rectangular section of width and depth about an axis passing the moment of through C.G. and parallel to its width is
A $$\frac{{{\text{B}}{{\text{D}}^2}}}{6}$$
B $$\frac{{{\text{B}}{{\text{D}}^3}}}{6}$$
C $$\frac{{{\text{B}}{{\text{D}}^3}}}{{12}}$$
D $$\frac{{{{\text{B}}^2}{\text{D}}}}{6}$$
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is
A $$\frac{{{\text{b}}{{\text{h}}^3}}}{4}$$
B $$\frac{{{\text{b}}{{\text{h}}^3}}}{8}$$
C $$\frac{{{\text{b}}{{\text{h}}^3}}}{{12}}$$
D $$\frac{{{\text{b}}{{\text{h}}^3}}}{{36}}$$
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
A $$\frac{{{\text{MS}}}}{3}$$
B $$\frac{{{\text{MS}}}}{4}$$
C $$\frac{{{\text{MS}}}}{5}$$
D None of these
The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
A $$\frac{1}{4}$$
B $$\frac{1}{2}$$
C $$\frac{3}{4}$$
D $$2$$
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point
A Same as
B Twice
C Thrice
D Four times
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is
A $$\frac{{\pi {{\text{d}}^4}}}{{12}}$$
B $$\frac{{\pi {{\text{d}}^4}}}{{16}}$$
C $$\frac{{\pi {{\text{d}}^4}}}{{24}}$$
D $$\frac{{\pi {{\text{d}}^4}}}{{32}}$$
E $$\frac{{\pi {{\text{d}}^4}}}{{36}}$$
একটি দৈর্ঘ্য এবং M ভরের রডের ভরকেন্দ্র দিয়ে যায় এমন একটি লম্ব অক্ষের সাপেক্ষে রডের জড়তার ভ্রামক কত হবে? (What is the moment of inertia of a rod of length L and mass M with respect to a perpendicular axis passing through it?)
A 12ML2
B 112ML2
C 13ML2
D 25ML2

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