Questions
Fig. shows a uniform solid block of mass M and
edge length a, b and c. The moment of inertia of the block about an axis through one edge and perpendicular (as shown) to the large face is
detailed solution
Correct option is A
The moment of inertia about centre of gravity is given byIC.G.=Ma2+b212To obtain the moment of inertia about the required axis, we apply the theorem of parallel axes, henceIrequired axis =IC.G.+M(OA)2=Ma2+b212+Ma2+b24=Ma2+b23Talk to our academic expert!
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