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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: 1.5 Object Interaction and Forces 212 Views


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Description:

We're not going to force you to answer this question about forces, but we suggest you gravitate towards it anyway. 

Language:
English Language

Transcript

00:00

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

00:05

brought to you by force The four fundamental forces in

00:08

the universe are gravitational force electromagnetic force strong nuclear force

00:14

and weak nuclear force There's also the force But well

00:18

we're told that's not a real thing despite what we

00:20

believe All right what is the relationship doing Gravitational force

00:24

and electrical force Its like to answer than hear the

00:28

options Titties baby All right well let's talk for a

00:32

second about the relationship between gravitational force in electrical force

00:38

Gravitational force an electrical force share some characteristics but they're

00:42

not identical There are some very important differences between him

00:46

For example gravity is always an attractive force No we

00:50

don't mean it always looks good We mean that a

00:52

gravitational field always pulls matter inwards It never pushes matter

00:56

away But because items with identical charges repel each other

01:02

electrical forces aren't always directed in words that we can

01:06

rule out Option b also an object size isn't a

01:09

factor in determining the strength of either force You know

01:13

like a super dense black hole can have a smaller

01:15

volume than a huge star So how about electrical force

01:18

Well it's also not dependent on an object size so

01:22

option c is also incorrect and because the question asked

01:25

for two answers and we've eliminated teo while the two

01:27

remaining have to be correct right Option b is correct

01:30

because each forces stronger the closer we are to the

01:33

point of the origin that's Why astronauts in space float

01:37

there far away from the earth's gravity upton is correct

01:40

because gravitational forces and electrical forces create vector fields that

01:44

have a point of origin The sun creates the origin

01:47

Of the gravitational field that creates our solar system And

01:50

a magnet creates an electromagnetic field that attracts or repels

01:54

objects within that field That force also has a point

01:57

of origin It usually starts with a creative screenwriter Who's 00:02:00.57 --> [endTime] delusional from lack of sleep

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