NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 2043  2047 of 2142
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Question number: 2043
» 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
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Question number: 2044
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,
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Choice (4)  Response  

a.  40 Nm 

b.  141 Nm 

c.  135 Nm 

d.  0 Nm 

Question number: 2045
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?
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Question number: 2046
» 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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Question number: 2047
Question
The torque of force newton acting at a point is: (Given: position vector of point is meter)
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