The force diagram on the desk consists of normal reaction and weight of the pencil.
The net force on the desk in vertical direction is 1 N.
The net force on the desk in horizontal direction is 0.
The given parameters;
The force diagram of the desk is sketched as follows;
↑ N
⊕
↓ W
Where;
The net force on the desk in vertical direction = 1 N
The net force on the desk in horizontal direction = 0
Learn more here:https://brainly.com/question/3624253