Question

Please solve question D-2:

D-2. A uniform ladder of length 5m is placed against the wall in vertical plane as shown in the figure. If coefficient of friction μ is the same for both the wall and the floor then minimum value of μ for it not to slip is .



(A) ​μ=1/2 (B) μ=1/4 (C) μ=1/3 (D) μ=1/5

Answer 1

ANS.
$\frac{1}{ \sqrt{3} }$
PROOF

look at attachment


you does not attached the fig

so according to me i send u a related question


may be it help u

Answer 2

Answer:

HI guys, first read hint then see solution..

here is the solution for your questions

HINT (Tricky parts was to take take the limiting friction in your equation and then solve first )