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AP Physics 1 Videos 69 videos
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. Which of the following would increase the rate at which the plate spins?
AP Physics 1: 2.4 Changes and Conservation Laws. Which of the following circuits should the students use?
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.
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
Full Transcript
- 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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