Description
Spring scale for science: used in principle model to explain and calculate principle. spring scale physics.Dynamometer with spring: to explore the relationships between buoyancy and the water discharged. principle equipments.Mechanics experimental device: 1 set principle of physical demonstrator. lightweight, easy to carry and use..Physical mechanics device: the principle experimental instrument is used to explore the relationship between buoyancy and drainage..Scientific device: a great teaching kit, allows the buoyancy of an object partially or fully immersed in a liquid to be calculated. principle instrument