The force acting on the block pushes it, then pushing of the block will be possible along the surface if
815-468

  • A
    $\tan \,\theta  \ge \mu $
  • B
    $\cot \,\theta  \ge \mu $
  • C
    $\tan \,\frac{\theta }{2} \ge \mu $
  • D
    $\cot \,\frac{\theta }{2} \ge \mu $

Similar Questions

A car is moving with uniform velocity on a rough horizontal road. Therefore, according to Newton's first law of motion

Which is a suitable method to decrease friction

Two beads connected by massless inextensible string are placed over the fixed ring as shown in figure. Mass of each bead is $m$ , and there is no friction between $B$ and ring. Find minimum value of coefficient of friction between $A$ and ring so that system remains in equilibrium. ( $C \to $center of ring, $AC$ line is vertical)

A block of mass $2 \,kg$ rests on a rough inclined plane making an angle of $30°$ with the horizontal. The coefficient of static friction between the block and the plane is $ 0.7$. The frictional force on the block is ....... $N$.

  • [IIT 1980]

A $2\,kg$ block slides on a horizontal floor with a speed of $4\, m/s$. It strikes a  uncompressed spring, and compresses it till the block is motionless. The kinetic friction  force is $110\,N$ and spring constant is $1000\, N/m$. The spring compresses by ........ $cm$