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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: 3.5 Fields in Space 171 Views


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Description:

Aaaaaand we have liftoff! On another shmoopy question, that is. Take a look at this question and see if you can figure it out. Don't worry if you can, just say "Shoomp-ston, we have a problem" and we'll help you out. 

Language:
English Language

Transcript

00:00

Thank you We sneak and here's your shmoop dooz your

00:05

brought to you by the speed of light And you

00:07

thought ferraris were fast All right a spaceship is blasting

00:12

off on a brave mission to explore the planet zebo

00:17

as it breaks free of earth's atmosphere Which of the

00:19

following is true about the situation Select two answers your

00:23

tens ones All right Well there are two important things

00:27

we need to remember in order to answer the question

00:29

The first is that if something has mass than it

00:31

has gravity it doesn't matter if that something is as

00:34

big as a star or a small is a pebble

00:37

We also need to remember the gravity doesn't go away

00:41

now the father away from an object we are the

00:43

less we feel the force of that gravity But that

00:46

doesn't mean the gravity has stopped After all we know

00:49

about the gravitational constant right Well with this knowledge in

00:52

our back pocket we can rule out option a or

00:55

a still exerts a gravitational pull on the spaceship All

00:58

right option d is incorrect to the spaceship doesn't begin

01:01

to generate its own gravity It's always generated its own

01:05

Gravity but the further away we get from the object

01:08

well yeah then the less gravitational force that object exerts

01:12

on this For example gravity on jupiter is two and

01:15

a half times stronger than gravity on earth but because

01:18

we're so far away from jupiter will never feel that

01:21

pull All right so option c is one of the

01:25

correct answers The gravitational force exerted by the earth decreases

01:28

as the spaceship travels further away Yeah and we're left

01:32

with option b is our other correct answer Wait is

01:35

dependent on gravity that's why things float in space where

01:38

gravity is weak but mass is mass It doesn't change

01:43

masses what an object is made of whether we're talking

01:46

about inertial mass or gravitational mass Gravitational mass refers to

01:50

a method of measuring mass but it doesn't change depending

01:52

on gravity So there we have it Our answers here 00:01:55.08 --> [endTime] a b and c

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