2 Scales and a Board

Identifier: M: S - 005

A board is placed across 2 antique scales

Concept Overview

Equilibrium of forces acting on an extended body

Lecturer Procedure

Steps to Follow

  1. Adjust the heavy weight on the plank to show equal weight sharing.
  2. Move the weight back and forth to show how the weight is distributed.

Expected Result

The closer the weight gets to a scale, the more weight will show; less weight will show on the opposite scale.

Note:

Faces of scales may be covered up if you would like to collect student opinions before revealing results.

Video Demonstration

Transcript:

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