SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Statement1:

Moment of inertia of circular ring about a given axis is more than moment of inertia of the circular disc of same mass and same size, about the same axis

Statement2:

The circular ring hollow so its moment of inertia is more than circular disc which is solid

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


Question ID - 100914 :-

Statement1:

Moment of inertia of circular ring about a given axis is more than moment of inertia of the circular disc of same mass and same size, about the same axis

Statement2:

The circular ring hollow so its moment of inertia is more than circular disc which is solid

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

In the case of circular ring the mass is concentrated on the rim (at maximum distance from the axis) therefore moment of inertia increases as compared to that in circular disc



Next Question :

Statement 1:

A ladder is more apt to slip, when you are high up on it than when you just begin to climb

Statement 2:

At the high up on a ladder, the torque is large and on climbing up the torque is small

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


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