A plank of weight 
is pivoted at one end as shown below.
If the plank is balanced horizontally by a force of magnitude 
and its weight acts at a point P 
from the pivot point, in which direction and where is the force applied?
vertically upwards at 
to the right of P.
vertically upwards at to the left of P.
vertically downwards at to the right of P.
vertically downwards at 
to the left of P.
