Rotational MotionConcepts of Rotational Motion (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1  4 of 6
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Question number: 1
» Rotational Motion » Concepts of Rotational Motion
Appeared in Year: 2005
Question
A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through its center. At some instant of time a viscous fluid of mass “m” is dropped at the center and is allowed to spread out and finally fall on ground. The angular velocity during this period:  [AIIMS]
Choices
Choice (4)  Response  

a.  Decreases initially and increases again 

b.  Decreases continuously 

c.  Remains unaltered 

d.  Increases continuously 

Question number: 2
» Rotational Motion » Concepts of Rotational Motion
Question
If the equation for the displacement of a particle moving on a circular path is given by , where θ is in radians and t in seconds, then the angular velocity of the particle after 2 s from its start is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 3
» Rotational Motion » Concepts of Rotational Motion
Question
If the equation for the displacement of a particle moving on a circular path is given by , where is in radians and t in seconds, then the angular velocity of the particle after 3 s from its start is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 4
» Rotational Motion » Concepts of Rotational Motion
Question
A particle moves on a circle of radius such that the distance covered on the circle varies with time according to the law, . What is the total acceleration of the particle at .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

