Machined Alminium table fastened by cords passing over four pulleys mounted on vertical support rod with levelling screws.

To verify the law of composition and resolution of forces. This consists of machined aluminium table 40 cm in diameter. Its rim has a scale graduated in 360 degree, mounted on vertical support rod based provided with levelling screws. Body under study is a ring in center of the table fastened by cords passing over four pulleys, attached with the table. Complete with four pulleys, four weight hangers of 100 g each, sixteen weights 4 x 10 g 4 x 20 g 4 x 50 g 4 x 100 g steel chrome plated. Dia. 30 cm