New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Rotational Motion question

2014 · Shift 0 · Q68

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Rotational Motion
2014 · Shift 0 · Q68

Rotational Motion question

2014 · Shift 0 · Q68

JEE MainPhysicsRotational MotionMCQ+4 / −1

A mass

'm'

is supported by a massless string wound around a uniform hollow cylinder of mass

m

and radius

R.

If the string does not slip on the cylinder, with what acceleration will the mass fall or release? JEE Main 2014 (Offline) Physics - Rotational Motion Question 214 English

JEE Main 2014 (Offline) Physics - Rotational Motion Question 214 English

A
${{2g} \over 3}$
B
${{g} \over 2}$
C
${{5g} \over 6}$
D
$g$

More from Rotational Motion

A bob of mass $m$ attached to an inextensible string of length $l$ is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed $ω r a d / s$ about the vertical. About the point of suspension:2014 · MCQ
A hoop of radius $r$ and mass $m$ rotating with an angular velocity $ω_{0}$ is placed on a rough horizontal surface. The initial velocity of the center of the hoop is zero. What will be the velocity of the center of the hoop when it…2013 · MCQ
A pulley of radius $2 m$ is rotated about its axis by a force $F = (20 t - 5 t^{2})$ newton (where $t$ is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is $10 k g$ - $m^{2}$ …2011 · MCQ
A mass $m$ hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass $m,$ and radius $R .$ Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass $m,$ if the string…2011 · MCQ
A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc to reach its other end. During the…2011 · MCQ
A small particle of mass $m$ is projected at an angle $θ$ with the $x$ -axis with an initial velocity $v_{0}$ in the $x$ - $y$ plane as shown in the figure. At a time $t < \frac{v _{0} s i n θ}{g},$ the angular momentum of the… Includes diagram2010 · MCQ
A thin uniform rod of length $l$ and mass $m$ is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is $ω$ . Its center of mass rises to a maximum height of:2009 · MCQ
Consider a uniform square plate of side $^{'} a^{'}$ and mass $^{'} m^{'}$ . The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is2008 · MCQ