A mass M is located a distance D up aninclined plane (inclined by an angle theta).

A mass M is located a distance D up an inclined plane (inclined by an angle theta). The mass is at rest, but it is experiencing the force of gravity and a frictional force opposing the motion of the block down the inclined plane. The normal force is a force perpendicular to the inclined plane equal in magnitude to the component of the block's weight that is also perpendicular to the inclined plane.  A frictional force is proportional to the normal force. Complete the diagram by drawing a vector diagram showing each force. Provide equations that represent the net forces along the direction of the plane and perpendicular to the plane.

Can you help me I am really stuck. Thank you for your help