Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A inclined plane makes an angle of 30^ with the horizontal. A solid sphere rolling down this inclined plane from rest without...
- A meter scale is supported on a wedge at its centre of gravity. A body of weight 'w' is suspended from the 20 cm mark and another...
- An annular ring has mass 10 kg and inner and outer radii are 10 m and 5m respectively. Its moment of inertia about an axis...
- A wheel of radius 1 m rolls through 180^0 over a plane surface. The magnitude of the displacement of the point of the wheel...
- In case of rotational dynamics, which one of the following statement is correct? [ = angular velocity, V = linear velocity, r =...
- Two circular loops P and Q of radii 'r' and 'nr' are made respectively from a uniform wire. Moment of inertia of loop Q about its...
- Two solid spheres (A and B) are made of metals having densities _A and _B respectively. If there masses are equal then ratio of...
- A thin uniform circular disc of mass 'M' and radius 'R' is rotating with angular velocity ' ' in a horizontal place about an axis...
- A solid cylinder of mass 'M' and radius 'R' rolls down an inclined place of height 'h'. When it reaches the foot of the plane,...
- A rotating body has angular momentum 'L'. If its frequency is doubled and kinetic energy is halved, its angular momentum will be
- A ring, solid sphere and a disc have same mass and radius. Which of them have the largest moment of inertia?
- Three bodies each mass 1 kg are situated at the vertices of an equilateral triangle of side 1m. The xy-coordinates of centre of...
- A disc has mass 'm' and radius 'R'. How much tangential force should be applied to the rim of the disc so as to rotate with...
- A mass tied to a string is whirled in a horizontal circular path with a constant angular velocity and its angular momentum is L....
- The masses 'm_1' and 'm_2' moving with velocities 'v_1' and 'v_2' in opposite directions collide elastically and after collision...
- Two circular loops P and Q of radii 'r' and 'nr' respectively are made from a uniform wire. Moment of inertia of Q about its axis...
- A bullet is fired from the gun. It hits the solid block resting on a frictionless surface, gets embedded into it and both move...
- Match the following columns (R = radius, K = Radius of gyration) Column I (A) 'K' for a solid sphere rotating about its tangent...
- A disc of mass 25 kg and radius 0.2 m is rotating at 240 r.p.m. A retarding torque brings it to rest in 20 s. If the torque is...
- A solid sphere of radius 'R' has mass 'M'. The moment of inertia of a solid sphere about an axis at a distance ( R 2 ) from the...
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