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Fields in Space Videos 15 videos

AP Physics 1: 1.1 Fields in Space
195 Views

We've heard of some crazy dieting fads, but leaving the planet may take the cake. We don't suggest you do that, but we do suggest you answer t...

AP Physics 1: 1.2 Fields in Space
212 Views

Don't let this question about gravitational forces get you down! Yeah, yeah...that was an easy joke. You get what you pay for. 

AP Physics 1: 1.3 Fields in Space
209 Views

THE EARTH'S MASS IS ABOUT TO DOUBLE. Sorry for the extreme tone; we just want to make sure you understand the...gravity of the situation.

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AP Physics 1: 1.2 Fields in Space 212 Views


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Description:

Don't let this question about gravitational forces get you down! Yeah, yeah...that was an easy joke. You get what you pay for. 

Language:
English Language

Transcript

00:00

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

00:05

brought to you by gravity Sure it hurts when we

00:07

drop our physics book on her foot But at least

00:09

we're not floating off into the cold depths of space

00:13

That would happen All right given a very large sphere

00:16

in which direction is the gravitational force directed and hear

00:20

the potential answer outward and we're perpendicular All right Well

00:25

there's One very large sphere that we should all be

00:28

pretty familiar with the earth That big ball All right

00:32

Now since we're on planet earth right now let's go

00:34

ahead and drop something Nothing expensive by the way Just

00:37

pencil Or maybe something soft Now did that pencil go

00:40

floating up toward the ceiling Did it start moving sideways

00:43

Well so we're probably not actually on planet earth And

00:45

in fact we may have been abducted by aliens Well

00:48

this has taken a turn and watch for the probing

00:51

All right But if we are on earth the things

00:53

we drop go downwards towards the core of the planet

00:56

So the correct answer is b all the other options

00:59

violate the laws of gravity and that's Not gonna happen

01:02

The gravity police keep things on lock down The next

01:04

time we're playing frisbee with a friend Let's remember to

01:06

thank gravity because the game would get really expensive if

01:09

the frisbees and never came down You know like a

01:12

flying saucer you know e

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