A ladder of length `5 m` is placed against a smooth wall as shown in figure. The coefficient or friction is `mu` between ladder and ground. What is the minimum value of `mu` , If the ladder is not to slip?
A. `mu=(1)/(2)`
B. `mu=(1)/(4)`
C. `mu=(1)/(3)`
D. `mu=(1)/(5)`
A. `mu=(1)/(2)`
B. `mu=(1)/(4)`
C. `mu=(1)/(3)`
D. `mu=(1)/(5)`
Correct Answer – C