A small block of mass `1` kg is a circular are of ratius `40` m . The block sides along the track without topping and a frictionnal force acts on it in the direction opposite in the instrmens velocity . The work done in evercoming the friction up to the point `Q` as shown is the figure below is `150 J`
(Take the acceleration due to gravity `g = 10 ms^(-2))`

The speed of the block when it reaches the point `Q` is

A small block of mass 1 kg is a circular are of ratius 40 m . The block sides along the track without topping and a frictionnal force acts on it in the direction opposite in the instrmens velocity . The work done in evercoming the friction up to the point Q as shown is the figure below is 150 J (Take the acceleration due to gravity g = 10 ms^(-2)) The magnitude of the normal reaction that acts on the block at the point Q is

A small block of mass 1 kg is a circular are of ratius 40 m . The block sides along the track without topping and a frictionnal force acts on it in the direction opposite in the instrmens velocity . The work done in evercoming the friction up to the point Q as shown is the figure below is 150 J (Take the acceleration due to gravity g = 10 ms^(-2)) The magnitude of the normal reaction that acts on the block at the point Q is

As shown in the figure , the friction force acting on the block is

A block of mass 2 kg is pulled along circular arc from position X to Y as shown in figure. The work done by the horizontal force is pulling the block from X to Y is

If the mass of block is 1 kg and a force of 10 / sqrt3 N is applied horizontally on the block as shown in the figure . The frictional force acting on the block is :

A block of mass 6 kg is kept on rough surface as shown in figure. Find acceleration and friction force acting on the block. (Take g=10m//s^(2) )

A block of mass 6 kg is kept on rough surface as shown in figure. Find acceleration and friction force acting on the block. (Take g=10m//s^(2) )

In the figure shown, block of mass 2 kg is very long. Force of friction on 1 kg block is