MHT-CET SERIES
Physics

System Of Particles Rotational Motion

9 previous year questions.

Volume: 9 Ques
Yield: Medium

High-Yield Trend

2
2022
2
2019
2
2018
1
2009
2
2005

Chapter Questions
9 MCQs

01
PYQ 2005
medium
physics ID: mht-cet-
By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of body
1
remains constant
2
becomes half
3
doubles
4
quadruples
02
PYQ 2005
hard
physics ID: mht-cet-
Turning effect is produced by
1
tangential component of force
2
radial component of force
3
transverse component of force
4
None of the above
03
PYQ 2009
hard
physics ID: mht-cet-
Moment of inertia of big drop is . If droplets are formed from big drop, then moment of inertia of small droplet is
1
2
3
4
04
PYQ 2018
medium
physics ID: mht-cet-
A square frame is formed by four identical rods each of mass 'm' and length 'l' This frame is in -plane such that side coincides with -axis and side along -axis. The moment of inertia of the frame about -axis is
1
2
3
4
05
PYQ 2018
easy
physics ID: mht-cet-
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 angular velocity in time 't' ?
1
2
3
4
06
PYQ 2019
medium
physics ID: mht-cet-
A thin metal wire of length and uniform linear mass density is bent into a circular coil with as centre. The moment of inertia of a coil about the axis is
1
2
3
4
07
PYQ 2019
medium
physics ID: mht-cet-
A uniform rod of length and mass is pivoted at its centre . Two masses and with speed , as shown strikes the rod and stick to the rod. Initially the rod is at rest. Due to impact, if it rotates with angular velocity then will be
1
2
zero
3
4
08
PYQ 2022
easy
physics ID: mht-cet-

A mass tied to a string is whirled in a horizontal circular path with a constant angular velocity and its angular momentum is L. If the string is now halved, keeping angular velocity same, then the angular momentum will be

1

L

2

3

2L

4

09
PYQ 2022
easy
physics ID: mht-cet-

A metal disc of radius ‘R’ rotates with an angular velocity ‘ω’ about an axis perpendicular to its plane passing through its centre in a magnetic field of induction ‘B’ acting perpendicular to the plane of the disc. The induced e.m.f. between the rim and axis of the disc is (magnitude only)

1

2

3

4