Rotational MotionValues of Moments of Inertia (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 11  14 of 14
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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} 

Question number: 12
» Rotational Motion » Values of Moments of Inertia
Question
A long rod has a mass of 5 kg and length 2 m. 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.  0.01 kgm ^{2} 

b.  1.66 kgm ^{2} 

c.  0.008 kgm ^{2} 

d.  0.001 kgm ^{2} 

Question number: 13
» Rotational Motion » Values of Moments of Inertia
Question
A constant torque of 3.6 Nm is exerted on a pivoted wheel. If angular acceleration of wheel is 6π rad/sec ^{2}, then the moment of inertia of the wheel is
Choices
Choice (4)  Response  

a.  2.5 kgm ^{2} 

b.  1.21 kgm ^{2} 

c.  0.6 kgm ^{2} 

d.  2.5 kgm ^{3} 

Question number: 14
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass m = 10 gm and radius r = 5 cm about an axis passing through its edge and parallel to its natural axis is
Choices
Choice (4)  Response  

a.  8 gmcm ^{2} 

b.  500 gmcm ^{2} 

c.  10 gmcm ^{2} 

d.  1 gmcm ^{2} 
