Rotational MotionValues of Moments of Inertia (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 1  6 of 14
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Question number: 1
» Rotational Motion » Values of Moments of Inertia
Question
A flywheel rotating about a fixed axis has a kinetic energy of 380 J, when its angular speed is 35 rad s ^{1}. The moment of inertia of the wheel about the axis of rotation is,
Choices
Choice (4)  Response  

a.  0.8 kg m ^{2 } 

b.  0.75 kg m ^{2 } 

c.  0.15 kg m ^{2 } 

d.  0.62 kg m ^{2} 

Question number: 2
» Rotational Motion » Values of Moments of Inertia
Question
A cylinder of 500 g and radius 10 cm has moment of inertia (about its natural axis)
Choices
Choice (4)  Response  

a.  2.5 ⨯ 10 ^{3} kgm ^{2} 

b.  2 ⨯ 10 ^{3} kgm ^{2} 

c.  3.5 ⨯ 10 ^{3} kgm ^{2} 

d.  5 ⨯ 10 ^{3} kgm ^{2} 

Question number: 3
» Rotational Motion » Values of Moments of Inertia
Question
Three particles of mass 1.5 kg are attached to the rim of a circular disc of radius 0.2 m & negligible mass. Moment of inertia of die system about an axis passing through the center of the disc & perpendicular to its plane is
Choices
Choice (4)  Response  

a.  2.2 kgm ^{2} 

b.  0.18 kgm ^{2} 

c.  l kgm ^{2} 

d.  0.24 kgm ^{2 } 

Question number: 4
» Rotational Motion » Values of Moments of Inertia
Question
A cylinder of 800 g and radius 30 cm has moment of inertia (about its natural axis)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Rotational Motion » Values of Moments of Inertia
Question
A long rod has a mass of 0.12 kg and length of 1 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 kgm ^{2} 

c.  10 kgm ^{2} 

d.  0.001 kgm ^{2} 

Question number: 6
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass M = 3 gm and radius R = 1 cm about an axis passing through its edge and parallel to its natural axis is,
Choices
Choice (4)  Response  

a.  10 gmcm ^{2} 

b.  6 gmcm ^{2} 

c.  100 gmcm ^{2} 

d.  1 gmcm ^{2} 
