Exam (elaborations)

(Answered) PHYSICS Coulomb Force Gizmo / Student Exploration: Coulomb Force (Static) Complete latest fall 2021

Name: (Answered) PHYSICS Coulomb Force Gizmo / Student Exploration: Coulomb Force (Static) Complete latest fall 2021
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Course
PHYSICS Coulomb Force Gizmo

Institution
11

Name: Date: Student Exploration: Coulomb Force (Static) Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: Coulomb’s law, electrostatic force, vector Prior Knowledge Questions (Do these BEFORE using the G...

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Type Exam (elaborations)
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coulomb’s law
electrostatic force
vector
physics coulomb force gizmo
student exploration coulomb force static
prior knowledge questions do these before using the gizmo have you ever taken

Institution 11
Course PHYSICS Coulomb Force Gizmo
School year 3

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Student Exploration: Coulomb Force (Static) Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary

:
Coulomb’s law, electrostatic force, vector Prior Knowledge Questions
(Do these BEFORE using the Gizmo.)

.
Have you ever taken clothes out of the dryer and found a sock stuck to your underwear? Static cling is an example of
electrostatic forces

, or the forces that exist between charged objects. 1.
How do you think the sock and underwear became charged? 2.
Suppose two socks acquire the same charge. Do you think they would stick together? Explain: Gizmo Warm-up As clothes are tumbled in a dryer, electrons are rubbed off some items, giving them a positive charge, and deposited on other items, giving them a negative charge. These charged items exert electrostatic forces on one another. You can explore these forces with the
Coulomb Force (Static)
Gizmo. In its initial settings, the Gizmo shows two objects that each have a charge (

q

) of 10.0 × 10

-4
C (coulombs). Turn on the
Show force vector
checkboxes for objects
A
and
B

. The arrows coming from each object are vectors
that represent the electrostatic force. The direction and length of each vector show the direction and magnitude (strength) of each force. 1.
Are the vectors for objects
A
and
B
pointing together or away from each other? 2.
Are objects
A
and
B
attracted together or repelled apart? 3.
Compare the lengths of the vectors. What do you notice? Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved Name: Date: They probably became charged because they were rubbing together in the dryer. They would not stick together because objects with same signs repel each other. Away from each other. Repelled apart. The vectors lengths are equal. Question: How does charge affect the strength of the electrostatic force? 1.
Observe

: You can change the charge of each object by entering the desired value in the
q

A
and
q

B boxes. Observe the force vectors for each of the situations listed in the table below. Based on the force vectors, state whether the objects are repelled from one another, attracted to one another, or if there is no force at all. 2.
Make a rule

: Complete the following sentences with the words “attract,” “repel,” or “zero.” 3.
Predict

: How do you think the magnitude of the electrostatic force between two objects will change if the charge of each object was doubled? 4.
Measure

: Turn on
Show vector notation
for both objects. Set the charge of objects
A
and
B
to 1.0 × 10

-4
C. The force on object
A
is now -0.90

i
+ 0

j
N. That means that the force is -0.90 N in the
x
direction and 0 N in the
y
direction. C.
The force on object
A
is negative. What does this indicate about the direction of the force? Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved Activity A: The effect of charge Get the Gizmo ready

: ●
Turn on
Show grid

. Place object
A
on the
x

-axis at -5 and object
B
on the
x

-axis at +5. ●
Check that
Show force vector
is turned on for each object. q

A q

B Attraction, repulsion, or no force? 1.0 × 10

-4
C 1.0 × 10

-4
C repulsion -1.0 × 10

-4
C 1.0 × 10

-4
C attraction -1.0 × 10

-4
C -1.0 × 10

-4
C repulsion 1.0 × 10

-4
C 0.0 × 10

-4
C no force When the charges are the same, the two objects repel one another. When the charges are opposite, the two objects attract one another. When one of the objects has no charge, the resulting force is zero. I think the magnitude will double as well. A.
What is the magnitude of the force on object
A

? |

F

A

| = 0.90 N B.
What is the magnitude of the force on object
B

? |

F

B

| = 0.90 N it is going towards the negative direction, or to the left

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(Answered) PHYSICS Coulomb Force Gizmo / Student Exploration: Coulomb Force (Static) Complete latest fall 2021

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