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Recent questions tagged unit5
Questions
If the moment of inertia of a disc about an axis tangential and parallel to the surface is I.Then find the moment of inertia about the axis tangential but perpendicular to the surface in terms of the I?
jeemain
physics
class11
unit5
rotational-motion
moment-of-inertia
easy
asked
Nov 25, 2013
by
meena.p
1
answer
Three rings each of mass M and radius R are arranged as shown. The moment of inertia of the system about $YY'$ will be
jeemain
physics
class11
unit5
rotational-motion
moment-of-inertia
easy
asked
Nov 25, 2013
by
meena.p
1
answer
The moment of inertia of a sphere of mass M and radius R about an axis passing through centre is $\large\frac{2}{5}\;$$MR^2$. The radius of gyration of the sphere about a parallel axis to the sphere is
jeemain
physics
class11
unit5
rotational-motion
moment-of-inertia
easy
asked
Nov 25, 2013
by
meena.p
1
answer
On a uniform rod of length l and mass M, two identical masses m are kept at the extreme ends. What is the moment of inertia of the system about an axis passing through its center and perpendicular to its length ?
jeemain
physics
class11
unit5
rotational-motion
moment-of-inertia
easy
asked
Nov 25, 2013
by
meena.p
1
answer
A torque of $20\; Nm$ acting on a rigid body produces are angular acceleration of $4 rad /s^2$ What is the moment of inertia of the rigid body rotating about the fixed axis?
jeemain
physics
class11
unit5
rotational-motion
moment-of-inertia
easy
asked
Nov 25, 2013
by
meena.p
1
answer
A torque of $30\; N-m$ is applied on a 5 kg wheel whose moment of inertia is $2 kg\;m^2$ for $10 \;seconds$. The angle covered by the wheel in $10\; s$ will be
jeemain
physics
class11
unit5
rotational-motion
torques
easy
asked
Nov 25, 2013
by
meena.p
1
answer
A wheel has moment of inertia $5 \times 10^{-3} kg m^2$ and is making $20\; kw/s$ The torque needed to stop it in 10 s is
jeemain
physics
class11
unit5
rotational-motion
torques
easy
asked
Nov 25, 2013
by
meena.p
1
answer
A particle of mass m is projected with a speed U at an angle $\theta$ with the horizontal. Find the torque of the weight of the particle about the point of projection when the particle is at the highest point .
jeemain
physics
class11
unit5
rotational-motion
torques
medium
asked
Nov 25, 2013
by
meena.p
1
answer
A force $\overrightarrow {F} = 3 \hat i +2 \hat j -4 \hat k$ acts at the point $(1,-1,2)$. Whta is its torque about the point $(2,-1,3)$?
jeemain
physics
class11
unit5
rotational-motion
torques
easy
asked
Nov 25, 2013
by
meena.p
1
answer
A simple pendulum of length l is pulled aside to make an angle $\theta$ with the vertical. What is the magnitude of the torque of the weight of the bob about the point of suspension ?
jeemain
physics
class11
unit5
rotational-motion
torques
easy
asked
Nov 25, 2013
by
meena.p
1
answer
What is the torque of the force $\overrightarrow {F}=-3 \hat i +\hat j+ 5 \hat k$ acting at a point whose position vector vector is $\overrightarrow {r}= 7 \hat i+3 \hat j +\hat k?$
jeemain
physics
class11
unit5
rotational-motion
torques
easy
asked
Nov 25, 2013
by
meena.p
1
answer
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