Rotational Motion (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 113  117 of 125
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Question number: 113
» Rotational Motion » Concepts of Rotational Motion
Question
A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length l and height h. What is the speed of its centre of mass when the cylinder reaches its bottom?
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 114
» Rotational Motion » Torque
Question
The torque of force newton acting at a point is: (Given: position vector of point is meter)
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 115
» Rotational Motion » Moment of Inertia
Question
The moment of inertia of uniform rectangular plate about an axis passing through its midpoint and parallel to its length l is, (b = breadth of rectangular plate)
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 116
» Rotational Motion » Rotational Kinetic Energy
Question
The moment of a uniform disc about an axis, perpendicular to the disc, at the centre is (M = mass, R = radius of disc). If the disc is rolling on its edge without slipping on a straight line path, the ratio of rotation kinetic energy to translation one is,
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Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 117
» 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} 
