The limiting friction is...

The limiting friction is

Always greater than the dynamic friction

Always less than the dynamic friction

Equal to the dynamic friction

Sometimes greater and sometimes less than the dynamic friction

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A body of mass 10 kg is placed on an inclined surface of angle 30^(@) . If coefficient of limiting friction is 1 //sqrt3 , find the inclined plane. Force is being exerted parallel to the inclined plane .

A mass of 200 kg is placed on a rough inclined plane of angle 30^(@) . If coefficient of limiting friction is 1 // sqrt 3 , find the least forces in newton , acting parallel to the plane (i) to keep the mass from sliding down (ii) to move the mass up the plane.

In the above question the force of limitting friction is

The limiting friction between two surface does not depend

(A) : If a body is trying to slip over a surface then friction acting on the body is necessarily equal to the limiting friction . (R) : Static friction can be less than the limiting friction force .

What is the relation between the normal reaction acting on a surface and the limiting friction on the surface?

Assertion : The value of dynamic friction is less than the limiting friction. Reason : Once the motion has started, the inertia of rest has been overcome.

Mark the correct statements about the friction between two bodies - (a) static friction is always greater than the kinetic friction (b) coefficient of static friction is always greater than the coefficient of kinetic friction (c ) limiting friction is always greater than the kinetic friction ( d) limiting friction is never less than static friction

A block rests on a fixed rough inclined place and a horizontal force F is applied to it, as shown in the figure. Which of the following statements are correct? (A) Normal reaction on the block is Fsintheta+mgcostheta (B) The friction force is zero when Fcostheta=mgsintheta (C) The value of limiting friction is mu(mgsintheta+Fcostheta) (D) The value of limiting friction is mu(mgsintheta-Fcostheta)

ERRORLESS -FRICTION-MCQ S

In the figure shown, a block of weight 10 N resting on a horizontal su...
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The limiting friction is
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