NEET Physics: Questions 2044  2048 of 2099
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 2044
» Rotational Motion » Moment of Inertia
Question
The moment of inertia of a thin rod of mass M and length L about an axis perpendicular to the rod at a distance from one end is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2045
Question
A boy is pushes a merrygoround of radius 3 m with a force 50 N as shown in below figure. If cos 20 ^{0} = 0.9, then the torque applied by the boy is,
Choices
Choice (4)  Response  

a.  40 Nm  
b.  141 Nm  
c.  135 Nm  
d.  0 Nm 
Question number: 2046
» Rotational Motion » Moment of a Force
Question
A particle of mass m is moving in a plane along a circle of radius r. Its angular momentum about the axis of rotation is L. What is the centripetal force acting on the particle?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2047
» 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?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2048
Question
The torque of force newton acting at a point is: (Given: position vector of point is meter)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
