Clip 1 binder clip to the end of the half meter stick.
Flip one side of the binder clip down.
Place half meter stick on a flat surface with the flipped side of the binder clip facing down.
Secure the half meter stick with one piece of duct tape and place a heavy book toward the back of the half meter stick. This prevents the stick from sliding from side to side.
Attach one end of the looped rope to the binder clip.
Thread the other end of the rope through the bottom of the pulley and hold.
Attach a load to the bottom hook of of the pulley. This is known as a single fixed pulley system.