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Rotational Dynamics for NEET: 17 solved questions

Real NEET paper questions on rotational dynamics, part of rotational motion. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 1988 to 2022. No sign-in needed to read them.

What this topic asks

• Rotational energy and released bodies — 9 questions
• Torque and angular acceleration — 8 questions

All 17 questions with solutions

• A solid sphere of mass m and radius R is rotating about its diameter. A solid cylinder of the same mass and s… NEET-II 2016
• Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic… CBSE AIPMT 2005
• A fly wheel rotating about fixed axis has a kinetic energy of 360 joule when its angular speed is 30 radian/s… CBSE AIPMT 1990
• A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane… CBSE AIPMT 1988
• A solid cylinder of mass 2 kg and radius 4 cm is rotating about its axis at the rate of 3 rpm. The torque req… NEET 2019
• Three objects, A: (a solid sphere), B: (a thin circular disk) and C: (a circular ring), each have the same ma… NEET 2018
• A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of t… NEET 2017
• Point masses m₁ and m₂ are placed at the opposite ends of a rigid rod of length L, and negligible mass. The r… AIPMT 2015
• An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels is 0.45 m and the moment of… AIPMT 2015
• A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless strin… AIPMT 2014
• A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to p… NEET 2013
• The instantaneous angular position of a point on a rotating wheel is given by the equation θ(t)=2t³-6t². The… CBSE AIPMT 2011
• A uniform rod AB of length l and mass m is free to rotate about point A. The rod is released from rest in the… CBSE AIPMT 2007
• A wheel having moment of inertia 2 kg m² about its vertical axis, rotates at the rate of 60 rpm about this ax… CBSE AIPMT 2004
• The moment of inertia of a body about a given axis is 1.2 kg m². Initially, the body is at rest. In order to… CBSE AIPMT 1990
• Two rotating bodies A and B of masses m and 2m with moments of inertia I_A and I_B (I_B>I_A) have equal kinet… NEET-II 2016
• An energy of 484 J is spent in increasing the speed of a flywheel from 60 rpm to 360 rpm. The moment of inert… Re-NEET 2022