In the figure, a block of weight $60N$ is placed on a rough surface. The coefficient of friction between the block and the surface is $0.5$. What should be the weight $W$ such that the block does not slip on the surface?

Q. In the figure below, a block of weight 60 N is placed on a rough surface. The coefficient of friction between the block and the surface is 0.5. What should be the weight W such that
the block does not slip on the surface?

Q. Figure shows a block of mass $m$ placed on a horizontal surface. The coefficient of static friction between the block and the surface is $\mu$. The maximum force $F$ that can be applied at point $O$ such that the block does not slip on the surface is

Q. Figure shows a block of mass $m$ placed on a horizontal surface. The coefficient of static friction between the block and the surface is $\mu$. The maximum force $F$ that can be applied at point $O$ such that the block does not slip on the surface is

Q. In the figure, a block of mass $M$ is placed on a table with rough surface having coefficient of friction ${\mu }_1$. Another block of mass $m$ is placed on vertical rough surface of this block with coefficient of ${\mu }_2$ (${\mu }_2$ may be greater than $1$). If system is released from rest, find the maximum mass of block $A$, so that the block of mass m does not slip.

Q. In the arrangement shown in figure $m_A=m_g=2kg$. Block B is resting on a smooth horizontal surface, while friction coefficient between blocks A and B is $\mu =0.5$. The maximum horizontal force F can be applied so that block A does not slip over not slip over the block B is $(g=10m{s}^{-2})$