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Last Updated On 23-10-2022 - By Sara

An isosceles triangular piece is cut from a square plate of side The piece is one-fourth of the square and mass of the remaining plate is . The moment of inertia of the plate about an axis passing through  and perpendicular to its plane is

a)

b)

c)

d)


Question ID - 100182 :-

An isosceles triangular piece is cut from a square plate of side The piece is one-fourth of the square and mass of the remaining plate is . The moment of inertia of the plate about an axis passing through  and perpendicular to its plane is

a)

b)

c)

d)

1 Answer
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Answer Key : (a) -

(a)

Mass of each of the four parts

Mass of the plate including the cut piece

Moment of inertia of the whole plate (including the cut piece)

About the said axis

Now moment of inertia of the remaining portion should be 3/4 of the above=



Next Question :

A particle of mass  is rigidly attached at ‘ ’ to a ring of mass  and radius ‘ ’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is

a)

b)

c)

d)


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