The angular momentum changes from 4 unit...

The angular momentum changes from `4` unit to `10` unit in `2` seconds. The torque is

`3` unit

`12` unit

`(3)/(2)` unit

`(1)/(3)` unit

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AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)

Let I(A) and I(B) be moments of inertia of a body about two axes A and...
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The moment of inertia of a cylinder of mass 1000gm and radius 20cm abo...
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The angular momentum changes from 4 unit to 10 unit in 2 seconds. The ...
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A constant torque of 400Nm turns a wheel of moment of inertia 100kg m^...
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The masses of two uniform discs are in the ratio 2 : 1 and their radii...
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If the torque acting on a system is zero then, which of the followin q...
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The moment of inertia of a thin uniform rod about an axis passing thro...
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A rigid body of moment of inertia l has an angular acceleration alpha....
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A flywheel rotates about a fixed axis and slows down from 300 r.p.m to...
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A body starting from rest gains an angular speed of 540 r.p.m in 6 sec...
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A ring of mass 6kg and radius 40cm is revolving at the rate of 300 rpm...
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A ring of mass 10kg and diameter 0.4m is rotated about an axis passing...
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If radius of the earth contracts to half of its present value without ...
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A wheel whose moment of inertia is 10kgm^(2) has an initial angular ve...
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Two solid spheres are made up of the same material of density rho. The...
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A fan of moment of inertia 0.6kgm^(2) is moving with a speed of 0.5 r....
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A hollow cylinder open at both ends slides without rotating, and then ...
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A solid sphere of mas 2kg rolls on a table with linear speed of 1 m//s...
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The moment of inertia of a uniform cicrular disc about its diameter is...
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A flywheel rotating about a fixed axis has a kinetic energy of 360J wh...
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