1

JEE Main 2021 (Online) 26th February Morning Shift

MCQ (Single Correct Answer)

+4

-1

Four identical solid spheres each of mass 'm' and radius 'a' are placed with their centres on the four corners of a square of side 'b'. The moment of inertia of the system about one side of square where the axis of rotation is parallel to the plane of the square is :

2

JEE Main 2021 (Online) 25th February Evening Shift

MCQ (Single Correct Answer)

+4

-1

A sphere of radius 'a' and mass 'm' rolls along a horizontal plane with constant speed v

_{0}. It encounters an inclined plane at angle $$\theta$$ and climbs upward. Assuming that it rolls without slipping, how far up the sphere will travel?3

JEE Main 2021 (Online) 24th February Morning Shift

MCQ (Single Correct Answer)

+4

-1

Moment of inertia (M. I.) of four bodies, having same mass and radius, are reported as;

I

I

I

I

Then :

I

_{1}= M.I. of thin circular ring about its diameter,I

_{2}= M.I. of circular disc about an axis perpendicular to disc and going through the centre,I

_{3}= M.I. of solid cylinder about its axis andI

_{4}= M.I. of solid sphere about its diameter.Then :

4

JEE Main 2020 (Online) 6th September Evening Slot

MCQ (Single Correct Answer)

+4

-1

The linear mass density of a thin rod AB of length L varies from A to B as

$$\lambda \left( x \right) = {\lambda _0}\left( {1 + {x \over L}} \right)$$, where x is the distance from A. If M is the mass of the rod then its moment of inertia about an axis passing through A and perpendicular to the rod is :

$$\lambda \left( x \right) = {\lambda _0}\left( {1 + {x \over L}} \right)$$, where x is the distance from A. If M is the mass of the rod then its moment of inertia about an axis passing through A and perpendicular to the rod is :

Questions Asked from Rotational Motion (MCQ (Single Correct Answer))

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