Support Rod Standing Pulley and Desk-Side Clamp

It consists of support rod, single pulley, desk-side clamp, and small iron ring and nylon wire. It is used to prove that the standing pulley can’t save effort but can change direction; the movable pulley can save half of effort but can’t change direction of force. The height of support rod is adjustable.

Support Rod Standing Pulley and Desk-Side Clamp