Rotational MotionValues of Moments of Inertia (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 7  11 of 14
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Question number: 7
» Rotational Motion » Values of Moments of Inertia
Question
A long rod has a mass of 0.10 kg and length of 200 cm. The moment of inertia about an axis passing through the center and perpendicular to the length of rod will be,
Choices
Choice (4)  Response  

a.  0.0033 kgm ^{2} 

b.  0.033 kgm ^{2} 

c.  0.0025 kgm ^{2} 

d.  0.025 kgm ^{2} 

Question number: 8
» Rotational Motion » Values of Moments of Inertia
Question
Five particles of mass 2 kg are attached to the rim of a circular disc of radius 0.1 m & negligible mass. Moment of inertia of this system about an axis passing through the center of the disc & perpendicular to its plane is,
Choices
Choice (4)  Response  

a.  0.1 kgm ^{2} 

b.  l kgm ^{2} 

c.  2 kgm ^{2} 

d.  0.2 kgm ^{2 } 

Question number: 9
» Rotational Motion » Values of Moments of Inertia
Question
A constant torque of 62.8 Nm is exerted on a pivoted wheel. If angular acceleration of wheel is 5π rad/sec ^{2}, then the moment of inertia of the wheel is
Choices
Choice (4)  Response  

a.  3 kgm ^{2} 

b.  3.5 kgm ^{2} 

c.  4 kgm ^{2} 

d.  4.5 kgm ^{2} 

Question number: 10
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass M = 5 gm and radius R = 2 cm about an axis passing through its edge and parallel to its natural axis is
Choices
Choice (4)  Response  

a.  30 gmcm ^{2} 

b.  40 gmcm ^{2} 

c.  35 gmcm ^{2} 

d.  45 gmcm ^{2} 

Question number: 11
» Rotational Motion » Values of Moments of Inertia
Question
A constant torque of 31.4 Nm is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/sec ^{2}, then the moment of inertia of the wheel is
Choices
Choice (4)  Response  

a.  4.5 kgm ^{2} 

b.  5.5 kgm ^{2} 

c.  2.5 kgm ^{2} 

d.  1.5 kgm ^{2} 
