Home
Class 12
PHYSICS
A sphere is rotating between two rough i...

A sphere is rotating between two rough inclined walls as shoen in fiogure. Cofficent of friction between each wall and the sphere is `(1)/(3)`. If `f_(1)` and `f_(2)` be the ffriction forces at PO and Q. Then `(f_(1))/(f_(2))` is

A

`(4)/(sqrt3)+1`

B

`(1)/(sqrt3)+2`

C

`(1)/(2)+sqrt3`

D

`1+2sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A sphere is rotatiing between a a rough wall and a smooth wedge as shown in figure If mu is the cofficent of frication between wall and sphere then normal reation between wall and sphere will

A sphere is placed rotating with its centre initially at rest in a corner as shown in Figs.(a) and (b). Coefficient of friction between all surfaces and the sphere is 1//3 . Find the ratio of the friction forces f_(a)//f_(b) by ground in situations (a) and (b).

A force F" is applied on a block of mass 5 kg as shown in figure. Co-efficient of friction between the wall and clock is (sqrt(3))/(2). (g = 10m//s^(2)) If 'f_(1)" and 'f_(2)' are magnitude of frictional force on the block when F = 40 N and F = 140 N repesctively. Then choose correct options

A sphere of mass m, is held between two smooth inclined walls. For sin37^(@)=3//5 , the normal reactions of the wall (2) is equal to

A sphere of mass m, is held between two smooth inclined walls. For sin37^(@)=3//5 , the normal reactions of the wall (2) is equal to

A sphere of mass m, is held between two smooth inclined walls. For sin37^(@)=3//5 , the normal reactions of the wall (2) is equal to

Two spheres A and B are placed between two vartical walls as shown in figure .Friction is absent everywhere. Draw the free body diagrame of both the spheres.

A block of mass 4kg pressed againest a rought wall by two perpendicular horizontal forces F_(1) and F_(2) as shown in figure Coefficient of static friction between the block and wall is 0.6 and that of kinetic friction is 0.5 For the data of Q 28 ,Find the magnitude of acceleration of the block

A block of mass 4kg pressed againest a rought wall by two perpendicular horizontal forces F_(1) and F_(2) as shown in figure Coefficient of static friction between the block and wall is 0.6 and that of kinetic friction is 0.5 For F_(1) = 300 N and F_(2) = 100 N find the direction and magnitude of friction force acting on the block

A block of mass 4kg pressed againest a rought wall by two perpendicular horizontal forces F_(1) and F_(2) as shown in figure Coefficient of static friction between the block and wall is 0.6 and that of kinetic friction is 0.5 For F_(1) = 150 Nand F_(2) =100 N find the direction and magnitude of friction acting on the block