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AP Physics 1: 3.5 Object Interaction and Forces
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AP Physics 1: 3.5 Properties of Objects and Systems 316 Views


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Description:

AP Physics 1: 3.5 Properties of Objects and Systems. Which of the following are correct explanations of the electricity principles at work in this situation?

Language:
English Language

Transcript

00:00

Thank you We sneak And here's your shmoop du jour

00:06

brought to you by clowns They just want to make

00:08

you laugh So they probably won't eat your face while

00:11

you sleep All right a clown vigorously rubs his feet

00:17

on the carpet He then calls on a volunteer and

00:19

offers to shake hands with that volunteer That lovely clown

00:23

volunteer subsequently receives a static shock Which of the following

00:26

are correct explanations of the electricity principles at work in

00:30

this situation from the evil plan i'd like to answer

00:33

And here the odds Sure All right First of all

00:38

clowns are just really creepy Yeah There we said it

00:42

All right Moving on Due to the law of conservation

00:46

of charge we know that in a closed system the

00:49

total charge in the system does not increase or decrease

00:54

So we can safely rule out option a And after

00:56

delivering the shock the clown's charge wouldn't be negative because

01:01

he's not generating extra electrons Plus by delivering shock his

01:06

charge reverts to neutral So option b is incorrect too

01:09

But what is happening Well electrons which are the charged

01:12

particles that make up electricity are moving from the carpet

01:15

to the clown Because of this process we know that

01:18

option c is one of our correct answers when these

01:21

electrons attached themselves to the clown clan has an imbalance

01:25

charge and while the extra electrons needs somewhere to go

01:28

it's saturday night now if he just stood still the

01:31

electrons would gradually dissipate back into the carpet But if

01:36

he touches something that's conductive and has a smaller negative

01:40

charge than him well then sat And with that zap

01:44

the clown discharges the extra electrons neutralizes his own charge

01:48

So dee is our other correct answer Maybe we'll just 00:01:52.169 --> [endTime] get a pinata for a next party clown

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