CHARGE Name EM HW-75 Two identical metal balls are suspended by insulating threads. Both balls have the 1. same net charge. In this problem, do not assume the balls are point charges. a. Draw a separate free-body diagram for each ball. Label the forces to Ball 1 Ball 2 indicate: the object exerting the force, the object on which the force is exerted, the type of force (gravitational, normal, etc.), and whether the force is a contact or a non- Free-body diagram Free-body diagram for ball 1 for ball 2 contact force. Suppose the charge on the second ball is reduced b. slightly, than that on the first ball. so that it is less Predict whether the angle that ball 1 makes with the vertical will be greater than, less than, or equal to the angle that ball 2 makes with the vertical. Explain. Sketch your answer above. Ball 2 Ball 1 How does the free-body diagram for each ball in this case compare to the corresponding free- body diagram that you drew in part a? If the magnitudes or directions of any of the forces change, describe how they change. Predict what will happen if the net charge on ball 2 is reduced to zero. Make a c. sketch to illustrate your answer. Ball 2 Ball 1
CHARGE Name EM HW-75 Two identical metal balls are suspended by insulating threads. Both balls have the 1. same net charge. In this problem, do not assume the balls are point charges. a. Draw a separate free-body diagram for each ball. Label the forces to Ball 1 Ball 2 indicate: the object exerting the force, the object on which the force is exerted, the type of force (gravitational, normal, etc.), and whether the force is a contact or a non- Free-body diagram Free-body diagram for ball 1 for ball 2 contact force. Suppose the charge on the second ball is reduced b. slightly, than that on the first ball. so that it is less Predict whether the angle that ball 1 makes with the vertical will be greater than, less than, or equal to the angle that ball 2 makes with the vertical. Explain. Sketch your answer above. Ball 2 Ball 1 How does the free-body diagram for each ball in this case compare to the corresponding free- body diagram that you drew in part a? If the magnitudes or directions of any of the forces change, describe how they change. Predict what will happen if the net charge on ball 2 is reduced to zero. Make a c. sketch to illustrate your answer. Ball 2 Ball 1
Chapter7: Electricity
Section: Chapter Questions
Problem 33Q
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Question
Problem 1
a through c.
Transcribed Image Text:CHARGE
Name
EM
HW-75
Two identical metal balls are
suspended by insulating
threads. Both balls have the
1.
same net charge. In this
problem, do not assume the
balls are point charges.
a. Draw a separate free-body
diagram for each ball.
Label the forces to
Ball 1
Ball 2
indicate:
the object exerting the force,
the object on which the force is exerted,
the type of force (gravitational, normal,
etc.), and
whether the force is a contact or a non-
Free-body diagram
Free-body diagram
for ball 1
for ball 2
contact force.
Suppose the charge on the
second ball is reduced
b.
slightly,
than that on the first ball.
so that it is less
Predict whether the angle
that ball 1 makes with the
vertical will be greater
than, less than, or equal to
the angle that ball 2 makes
with the vertical. Explain.
Sketch your answer above.
Ball 2
Ball 1
How does the free-body diagram for each ball in this case compare to the corresponding free-
body diagram that you drew in part a? If the magnitudes or directions of any of the forces
change, describe how they change.
Predict what will happen if
the net charge on ball 2 is
reduced to zero. Make a
c.
sketch to illustrate your
answer.
Ball 2
Ball 1
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