2-8 Electrical Potential Surface

Description : Measures and graphs the distribution of electric potential on the surface of a paper.

Probe

: Voltage Probe

File Name

: ELEPOTSF

*Change the set up screen’s Fix setting to 1 before executing this program.

Move + terminal

 

during measurement

Attach terminal

 

Paste

conductive

paper to thick paper

Use pencil to draw gridline

– terminal (fixed)

2-9 Free Fall of Ball and Repulsion

 

 

Coefficient

Motion detector

 

 

 

 

Description : Graphs the height, speed, and changes

 

 

 

in acceleration over time of a falling ball,

 

 

 

and determines the repulsion coeffi-

To EA-100 Volley ball,

 

 

cient from the height of the rebound.

basket ball, etc.

Stand

Probe

: Motion Detector

 

 

File Name

: FREEFALL

 

 

2-10 Distance from Light Source and Intensity

Description : Determines the relationship between the distance from a light source and illuminance.

Probes

: Light Prove, Motion Detector

File Name

: LIGHTINT

2-11 Lissajous Curves

Description : Produces a Lissajous curve using two sine waves for which a simple integral ratio is established.

Probes

: Two Voltage Probes

File Name

: LISSAJOU

 

 

Light bulb inside

 

 

of cardboard

 

 

box with hole

 

Direction of

 

 

motion

Light sensor

 

 

To

 

Motion detector

EA-100

 

Book or other support

Guideline

 

Low-frequency Oscillator Low-frequency Oscillator

CH2

CH1

6