A Ladder of Uniform Density,length L and Weight W Rests $\circ$

question 2

Multiple Choice

A ladder of uniform density,length L and weight W rests on a rough floor (µ_s = 0.45) and against a frictionless wall.The maximum value of the angle between the wall and the ladder to prevent slipping is

• A)42 \(\circ\) .
• B)37 \(\circ\) .
• C)29 \(\circ\) .
• D)24 \(\circ\) .
• E)19 \(\circ\) .