Rotational Motion (AIIMS (All India Institute of Medical Sciences) Physics): Questions 10  14 of 16
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Question number: 10
» Rotational Motion » Concepts of Rotational Motion
Question
A stone of mass 5 kg is attached to a string long and is whirled in a horizontal circle. The maximum tension the string can withstand is 20 N. What maximum velocity can be given to the stone without breaking the string?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 11
» Rotational Motion » Radius of Gyration
Question
The angular velocity of a body changes from to without applying torque but by changing moment of inertia. The ratio of initial radius of gyration to the final radius of gyration is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  2 

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Question number: 12
» Rotational Motion » Rigid Body Rotation Equations of Rotational Motion
Question
A rope is wound around a hollow cylinder of and radius. If the rope is pulled with a force , the angular acceleration of cylinder and the linear acceleration of the rope are respectively –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 13
» Rotational Motion » Concepts of Rotational Motion
Question
A stone tied to the end of 15 cm long string is whirled in a horizontal circle. If the centripetal acceleration is , its angular speed in is –
Choices
Choice (4)  Response  

a. 


b.  8 

c.  9 

d.  15 

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Question number: 14
» Rotational Motion » Conservation of Angular Momentum
Appeared in Year: 2005
Question
Two bodies have their moments of inertia and respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio – [AIPMT]
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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