This apparatus is designed for the verification of the conditions of equilibrium for parallel forces. It features three compression thrusttype spring balances, each with a 10 kg capacity, mounted on a polished wooden board measuring approximate 54” x 8”. The setup includes: · Two graduated wooden bars (beams) of 70 cm and 50 cm lengths, each equipped Ideal for demonstrating and with scale markings and slots at regular interval of 5cm.