Balance System

Models: Author: E3DPLUSVET
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Technichal Specifications

Technology: FDM Material: PLA, ABS Color: base: Yellow horizontal rods: blue Vertical rods and plate: blue Dimmensions: The described above. Resistance required: No When to print: Before or after the class, some components inside the classroom Can it be painted?: No Number of pieces: 14 Need Assembly: Yes Quality required: medium

General description

The model consists of 14 independent pieces. In the round base is fixed a vertical and central rod on which are connected by 2 joints, that allow the rotation, two horizontal elements. On the horizontal elements, two vertical rods are fixed by means of connectors which have two circular plates at their upper ends. Dimensions: 180x180x160 mm (overall) central and vertical rod: 160X48X10mm vertical rods: 95x95x10mm horizontal rods: 150x15x10mm plates: d.35x 15mm

How to use this exercise?

The model will be used to stimulate the students to inquiry about the physics concepts of mass, weight, strength, balance of rigid bodies and rotation, concept of lever.

Number of pieces of this exercise

14

General description

The model consists of 14 independent pieces. In the round base is fixed a vertical and central rod on which are connected by 2 joints, that allow the rotation, two horizontal elements. On the horizontal elements, two vertical rods are fixed by means of connectors which have two circular plates at their upper ends.

Dimensions:

180x180x160 mm (overall)

central and vertical rod: 160X48X10mm

vertical rods: 95x95x10mm

horizontal rods: 150x15x10mm

plates: d.35x 15mm

Additional Material

Models used:

License Info

Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

You are free to:

Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material
for any purpose, even commercially.

Under the following terms:

Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

Learning Specifications

How can the model be used in class?

The model will be used by the teacher to involve students in the guided exploration of the concepts of mass physics, weight, strength, balance of rigid bodies and rotation, and of the concept of leverage. The model can also be used to introduce students to different types of equilibrium (stable, unstable, …) and to symmetries of solid bodies. It can also be used to explore the rotation of the solid body, couples and angular momentum.

The model will be used to understand the history of the evolution of the weight measurement system by comparing it with today’s digital systems.

What benefits can its use have?

The benefits are mostly related to the opportunity of a hands-on exploration of the model scale. The tactical sense, in addition to the optical one, and the practice of the different equilibrium configuration of the model will increase the student comprehension of the physics concepts. Greater understanding of the principles of physics, weight, strength, balance of rigid bodies and rotation and about the concept of leverage.

Can it be used in other subjects?

Science, Mathematics (formulas for the centre of gravity and symmetries and so on…) and Technique, History.