Objects? Unit 1. Investigation 2: What are the factors that affect the interaction betweens SASA SESVESNA
<3.
Safety Guide
Van de Graaff generators produce a large amount of static electricity. DO NOT touch the Van de
Graaff generator!
Explaining Franklin's Bells
Metal wire attached to
Van de Graaf generator
A Before the Van de Graaff is turned
on the ball hangs motionless
between the two cans.
Car
The four panels (A, B, C, D) of this figure
break down what is happening in four steps
as the Franklin's bells apparatus starts to
ring. Use the figure to answer Questions 2-12
Can
stars
Question #2
In panel B. what causes the ball to move toward
Can 17
R After the Van de Graaff has been
running a short time, the ball moves
toward Can 1.
Cams
Can 2
an
(rear)
C After moving toward Can 1, the ball
touches it.
Can 1
(nearl
Can 2
far
D. After touching Can 1, the ball moves
away and swings toward Can 2.
Can 1
(near
Can 2
Question #3
What is the charge on Can 1 at the moment
Shown in panel B?
A. Same as Van de Graaff
B. Opposite of Van de Graaf
C. Neutral