[:PiraScheme#Mechanics: Table of Mechanics Demonstration]

[:MEEquipmentList: List of Mechanics Equipment & Supplies]

[:Demonstrations:Lecture Demonstrations]

Vertical Force Board, 1J30.51

Topic and Concept:

Location:

attachment:ForceBoard-01-400.jpg

Abstract:

Use this vertical whiteboard to draw the force vectors of a balance's object through a continuous range of angles.

Equipment

Location

ID Number

Force Board

ME, Floor Item

Other Weights

ME, Bay [:MechanicsCabinetBayB1:B1], Shelf #3

Important Setup Notes:

Setup and Procedure:

  1. Wheel out onto stage and remove center retaining pin.
  2. Position the two C-clamps with pulleys, located on the rim of the white-board, to your angles of choice.
  3. Choose the appropriate masses to hang from all 3 hangers so that the center ring is at the center of the force board. Below are four easy set ups (each weight hangers has a mass of 1 kg):

Left Arm

Right Arm

Center Arm

M1 (kg)

A1 (deg.)

M2 (kg)

A2 (deg.)

M3 (kg)

4

0

5

37 (37.59)

3

2.5

37 (36.87)

4

60 (60.31)

5

5

45 (44.47)

5

45 (44.47)

7

5

45 (45.53)

4

30 (28.88)

5.5

The angles in the parentheses are calculated values or the true values.

Cautions, Warnings, or Safety Concerns:

Discussion: Coming soon.

attachment:ForceBoard-02-250.jpg

attachment:ForceBoard-03-250.jpg

attachment:ForceBoard-04-250.jpg

attachment:ForceBoard-05-250.jpg

References:

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