Finding the horizontal and vertical components

Question

a uniform board 4.0m long rests against a smooth wall making an angle of 50deg. with the floor. what horizontal force does the wall on the upper end of the board?

...and what are the horizontal and vertical components exerted by the floor upon the lower part of the board?

.... solutions will be of great help...

Answer 1

draw a free body diagram to be able to answer the problem