Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Rotational Motion question

2003 · Q160
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Rotational Motion
  5. /2003 · Q160

Rotational Motion question

2003 · Q160

NEETPhysicsRotational MotionMCQ+4 / −1
A stone is tied to a string of length lll and is whirled in a vertical circle with the other end of the string as the centre. At a certain instant of time, the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is
  1. A
    2(μ2−gl)\sqrt {2\left( {{\mu ^2} - gl} \right)}2(μ2−gl)​
  2. B
    u2−gl\sqrt {{u^2} - gl}u2−gl​
  3. C
    u−u2−2glu - \sqrt {{u^2} - 2gl}u−u2−2gl​
  4. D
    2gl\sqrt {2gl}2gl​
PreviousNext

More from Rotational Motion

  • 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 ?2003 · MCQ
  • A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity ω. Four objects each of mass m, are kept gently to the opposite ends of two perpendicular diameters of the ring. The angular…2003 · MCQ
  • A point P consider at contact point of a wheel on ground which rolls on ground without slipping then value of displacement of point P when wheel completes half of rotation (if radius of wheel is 1 m)2002 · MCQ
  • A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of centre of mass, which is correct ?2002 · MCQ
  • A disc is rotating with angular speed ω. If a child sits on it, what is conserved2002 · MCQ
  • A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with2002 · MCQ
  • For the adjoining diagram, the correct relation between I1, I2, and I3 is, (I-moment of inertia) Includes diagram2000 · MCQ
  • For a hollow cylinder and a solid cylinder rolling without slipping on an inclined plane, then which of these reaches earlier2000 · MCQ