Answer:570.54 N
Explanation:
Given
mass of man=76 kg
[tex]\theta =50^{\circ}[/tex]
As man is standing over inclined building therefore
its weight has two components i.e. sin and cos component
Force perpendicular to inclined wall
[tex]F=mgcos\theta =76\times 9.8\times \sin 50[/tex]
F=570.54 N