engineering recuitment JSSC JE Mock Test 2023 Engineering Mechanics Equilibrium and Friction Friction
A uniform ladder of length 10 m and weighing 20 N is placed against a smooth vertical wall with its lower end 8 m from the wall. In this position, the ladder is just to slip. Determine the normal force acting on the ladder at the point of contact between the ladder and vertical wall.
1
20 N
2
13.3 N
3
10 N
4
15 N