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AP Physics 1 Videos 69 videos

AP Physics 1: 3.3 Changes and Conservation Laws
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AP Physics 1: 3.3 Changes and Conservation Laws. What is the difference in work done?

AP Physics 1: 3.5 Changes and Conservation Laws
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AP Physics 1: 3.5 Changes and Conservation Laws. Which of the following would increase the rate at which the plate spins?

AP Physics 1: 2.4 Changes and Conservation Laws
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AP Physics 1: 2.4 Changes and Conservation Laws. Which of the following circuits should the students use?

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AP Physics 1: 3.2 Properties of Objects and Systems 227 Views


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Description:

Which objects are in Joey's system as he boards the ski lift? And no, tacos and a Coke are not options. 

Language:
English Language

Transcript

00:00

No And here's your shmoop du jour Brought to you

00:04

by snowboarding We went snowboarding once although it felt more

00:08

like falling than snowboarding All right snowboarding hand joey boards

00:13

a ski lift Which of the following are objects in

00:16

his system and hear the potential answers You're going snowboards

00:21

everyone all right Well it's important to remember that a

00:25

system is a collection of objects fields and forces that

00:29

influence each other and have an internal structure like bones

00:33

like that are in this system The ski lift is

00:36

moving joey up the mountain so we know that the

00:39

ski lift is influencing joey And we also know that

00:43

joey is influencing the ski lift because his weight is

00:46

exerting force on the chair there but pushing down All

00:50

right since we know that both joey and left her

00:53

involved in our system we also know that option c

00:55

and d are wrong The word on ly knocks them

00:58

out of the running because we know there is more

01:00

than one object in this system Option b is also

01:03

incorrect The ski slope is the environment where this system

01:07

is located But it's not an object in the system

01:10

so are correct Answer is a The objects in this

01:13

system are joey here and the ski lift here So

01:17

remember to determine the objects in a system Think about

01:20

what actions were taking place If a thing is acting

01:23

on another thing then both of those things are objects

01:26

in a system Maybe we should take some snowboarding lessons

01:30

or maybe we'll just stay inside the ski lodge You

01:32

know they have hot cocoa in here and it's really 00:01:34.121 --> [endTime] nice

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