Home
Class 11
PHYSICS
A block of massM is placed on horizontal...

A block of mass`M` is placed on horizontal rough surface with coefficient of static friction `mu_(s)`.What minimum force`F`is required to just slide the block?
a) `mu_(mg)`
b) `mu_(Mg)/(sqrt(1+mu_(0)))`
c)`(mu_(0)Mg)/(sqrt(1+mu_(0)^(2)))`
d)`(mu_(0)Mg)/(sqrt(4-mu_(0)^(2)))`

Promotional Banner

Similar Questions

Explore conceptually related problems

A block of mass M is sliding down the plane. Coefficient of static friction is mu_(s) and kinetic friction is mu_(k) . Then friction force acting on the block is :

A block of height h is projected along a rough surface of coefficient of friction mu . Find the point of application of the normal force on the block for mu_(k) = 0.5 .

An object of 5 kg is placed on rough surface whose mu_k=0.3 and mu_s=0.4 . What is the minimum force required to start movement in 5 kg?

A block of mass 3kg is placed on a rough horizontal surface (mu_(s)=0.4) . A forc eof 8.7N is applied on th eblock. The force of friction between the block and floor is .

What minimum force F is required to move this 4 kg block if it acts at an angle of 45^(@) as shown ? (mu_(s)=0.6)

A block of 50 kg rests on a table. A horizontal force of 294 N is required to just move the block, the coefficient of static friction between the surfaces in contant (mu_(s)) is

A block of mass 2 kg rests on a horizontal surface. If a horizontal force of 5 N is applied on the block, the frictional force on it is ("take", u_(k)=0.4, mu_(s)=0.5)

A block of mass 1 kg in kept on a rough horizontal surface with mu_(s)=0.1 . A force of 0.5 N is applied as shown in the figure. What is the frictional force applied by ground on the block?