"This apparatus is used for the study?the composition of force. This apparatus consists of 40cm. diameter metal tray with a scale measuring the angle of 360 degrees with a metal tripod base, which is adjustable. At the edge of the tray, there are 4 sets of pulleys which is adjustable, in the center of the pulley, there is a metal rod to adjust the equilibrium of forces
The set of apparatus includes
- 4 units of hanging weight of 100 grams
- A Rope
- Weights of:
4 sets of10 g
4 sets of20 g
4 sets of 50 g
4 sets of 100 g"