Home
Class 11
PHYSICS
A triangular wedge is placed on smooth h...

A triangular wedge is placed on smooth horizontal surface. A block is placed on wedge as shown in the figure. Coefficient of friction between block and wedge is `mu`. Initially system reamins at rest.

A

`mu=tan theta`

B

`mu= cos theta`

C

`mu=(1)/(tan theta)`

D

`mu= sin theta`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A wedge B of mass 2 m is placed on a rough horizontal suface. The coefficient of friction between wedge and the horizontal surface is mu_(1) . A block of mass m is placed on wedge as shown in the figure. The coefficient of friction between block and wedge is mu_(2) . The block and wedge are released from rest. Q. Suppose the inclined surface of the wedge is at theta=37^(@) from angle from horizontal and mu_(2)=0 are wedge will remain in equilibrium if

Figure shows an irregular wedge of mass m placed on a smooth horizontal surface. Part BC is rough. If the coefficient of friction between the block and wedge is mu , and the block comes to rest with respect to wedge at a point E on the rough surface then BE will be

A block of mass 1 kg is placed on a wedge shown in figure. Find out minimum coefficient of friction between wedge and block to stop the block on it.

A block of mass 2 kg is kept on a smooth wedge of mass 3 kg and wedge is kept on a rough horizontal surface. A vertical force of 60 N is applied on the minimum coefficient of friction between the wedge and horizontal surface, so that wedge remains at rest during the motion of block on the wedge ?

A block of mass "5kg" is placed on a wedge having inclination of 37^(@) with the horizontal. Coefficient of friction between block and wedge is 0.8. Then select the correct statement.

In the arrangement shown in figure, a block A of mass m has been placed on a smooth wedge B of mass M. The wedge lies on a horizontal smooth surface. Another block C of mass (M)/(4) has been placed in contact with the wedge B as shown. The coefficient of friction between the block C and the vertical wedge wall is mu= (3)/(4) . Find the ratio (m)/(M) for which the block C will not slide with respect to the wedge after the system is released?

A wedge with mass M rests on a frictionless horizontal surface A block with mass m is placed on the wedge. There is no friction between the block and the wedge. A horizontal force f is applied to the wedge. What magnitude F must have if the block is to remain at constant height above the table top?

A block of mass ""5kg"" is placed on a wedge having inclination of 37^(@) with the horizontal coeffecient of friction between block and wedge is 0.8 . Then select the correct statement:

A block is released on the slant face of a wedge of equal mass placed on a horizontal floor. The slant face of the wedge makes an angle of 45^(@) with the floor. Coefficient of friction between all surfaces in contact is the same. Different value/ range of coefficient of friction is given in column I and corresponding consequences in column II and III (wedge is fress to move) {:(,"Column-I",,"Column-II",,"Column-III",),((I),mu=0,(i),"Work done by friction on block and wedge is negative (on each)",(P),"Centre of mass of system (block+wedge) moves rightward and downward",),((II),mu gt 1,(ii),"Work done by friction on block is negative but on wedge it is zero",(Q),"Centre of mass of system (block+wedge) moves leftward and downward",),((III),sqrt(5)-2 lt mu lt 1,(iii),"Work done by friction on block and wedge is zero (on each)",(R ),"Centre of mass of system (block+wedge) remains at rest",),((IV),mu lt sqrt(5) - 2,(iv),"Friction between the block and wedge is static and between the wedge and ground it is kinetic in nature.",(S),"Centre of mass of system (block+wedge) moves vertically downward",):} Which of the following options is the correct representaion of the case that the block slides down the wedge and wedge slide on the floor