The limiting friction is
  • A
    Always greater than the dynamic friction
  • B
    Always less than the dynamic friction
  • C
    Equal to the dynamic friction
  • D
    Sometimes greater and sometimes less than the dynamic friction
Easy
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    A chain of length $L$ rests on a rough table. If $\mu $ be the coefficient of friction, the maximum friction of the chain that can hang over the table will be
    View Solution
  • 2
    A block rests on a rough inclined plane making an angle of $30^o$ with the horizontal.  The coefficient of static friction between the block and the plane is $0.8.$ If the frictional   force on the block is $10\, N$, the mass of the block (in $kg$) is : (taken $g = 10 \,m/s^2)$
    View Solution
  • 3
    A car of $800 \mathrm{~kg}$ is taking turn on a banked road of radius $300 \mathrm{~m}$ and angle of banking $30^{\circ}$. If coefficient of static friction is $0.2$ then the maximum speed with which car can negotiate the turn safely : $\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2, \sqrt{3}=1.73\right)$
    View Solution
  • 4
    A motorcyclist of mass m is to negotiate a curve of radius r with a speed v. The minimum value of the coefficient of friction so that this negotiation may take place safely, is
    View Solution
  • 5
    When a body is lying on a rough inclined plane and does not move, the force of friction
    View Solution
  • 6
    A block of mass $m$ is kept on horizontal turn table at $x$ distance from the centre. If coefficient of friction between block and surface of turn table is $\mu$, then maximum angular speed of the table so that block does not slip
    View Solution
  • 7
    A particle is projected with a speed ${v_0} = \sqrt {gR} $ . The coefficient of friction between the particle and the hemispherical plane is $\mu  = 0.5$ . Then, the initial acceleration of the particle is
    View Solution
  • 8
    A body of mass $5\, kg$ is moving in a circle of radius $1\,m$ with an angular velocity of $2$ radian/sec. The centripetal force is ......... $N$
    View Solution
  • 9
    Two bodies of equal masses revolve in circular orbits of radii ${R_1}$ and ${R_2}$ with the same period. Their centripetal forces are in the ratio
    View Solution
  • 10
    A body of $5\, kg$ weight kept on a rough inclined plane of angle $30^o$ starts sliding with a constant velocity. Then the coefficient of friction is 
    View Solution