Home
Class 12
PHYSICS
The uniform cubical slab of side 'a' is ...

The uniform cubical slab of side 'a' is released from rest in the position shown in the figure. For what value of 'x' is the angular acceleration maximum ( friction between the surface and cube is sufficient to prevent any slipping ?

A

`sqrt((5)/( 6)) a`

B

`sqrt((5)/( 8)) a`

C

`sqrt((5)/(10))a`

D

`sqrt((5)/(12))a`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A small solid cylinder of radius r is released coaxially from point A inside the fixed large cylindrical bawl of radius R as shown in figure. If the friction between the small and the large cylinder is sufficient enough to prevent any slipping then find. (a). What fractions of the total energy are translational and rotational when the small cylinder reaches the bottom of the larger one? (b). The normal force exerted by the small cylinder on the larger one when it is at the bottom.

The three blocks in figure are released from rest and accelerate at the rate of 2 m/s^(2) . If M = 5 kg , what is the coefficient of friction between the surface and the block B ?

A uniform rod of maass m and length L is placed on the fixed cylindrical surface of radius R at an small angular position theta from the vertical (vertical means line joining centre and vertex of the cylindrical path) as shown in the figure and released from rest. Find the angular velocity omega of the rod at the instant when it crosses the horizontal position (Assume that when rod comes at horizontal position its mid point and vertex of the circular surface coincide). Friction is sufficient to prevent any slipping.

A uniform cylinder of mass m lies on a fixed plane inclined at a angle theta with the horizontal. A light string is tied to the cylinder at the rightmost point, and a mass m hangs from the string as shown. Assume that the coefficient of friction between the cylinder and the incline plane is sufficiently large to prevent slipping. for the cylinder to remain static the value of m is

The two blocks A and B of equal mass are initially in contact when released from rest on the inclined plane. The coefficients of friction between the inclined plane and A and B are mu_(1) and mu_(2) respectiely. Friction is not sufficient to prevent slipping.

A uniform rod of length l is slightly disturbed from its vertical position. Find the angular velocity of the rod just after if hits the step. (Friction is sufficient everywhere to prevent slipping)

The friction that is the maximum value of frictional force between two surfaces which can prevent one surface from sliding over the other

A uniform rod of length 50 cm is released in the vertical plane from the position shown in the figure. The rod is hinged smoothly at O. The angular speed of rod when it becomes horizontal is ( take g = 10m s^(-2) )

A charged particle of mass m and charge q is released from rest the position (x_0,0) in a uniform electric field E_0hatj . The angular momentum of the particle about origin.

A uniform circular ring rolls without slipping on a horizontal surface. At any instant, its position is as shown in the figure. Then