A sliding gate 3m wide and 1.5mhigh situated in vertical plane has a coefficient of friction between itself and guide of 0.18. If the gate weight is 19kN and if its upper edge is at a depth of 9m, what vertical force is required to raise it? Neglect buoyancy on gate. -

Given:

Dimensions of the rectangular gate are as follows,

$w=3 m (width) \\ \text{h=1.5 m (height)} \\\\ μ_f\text{=0.18 (Coefficient of friction between gate and guide)} \\\\ \text{W=19 kN (weight of the gate)} \\\\ \text{d=9 m (depth of the upper edge of the gate form the surface)}$

To find:

F (Vertical …