All Questions
10
questions
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Change in $g$ effective due to rotation
$g$ effective at any latitude changes due to rotation of earth. Does it also change due to rotation when the body is at height or at depth or does it change only at the surface?
Edit: I am referring ...
- 69
3
votes
2
answers
504
views
What is happening with the horizontal component of the Earth's centrifugal acceleration?
We know that the equator has the highest centrifugal acceleration caused by the rotation of the earth (a = 0.034m / s2) but it is negligible because the vector of the acceleration of gravity is much ...
0
votes
2
answers
111
views
How does the gravitational acceleration on a surface of planet change, if its radius shrinks while retaining the same mass? [closed]
If the radius of the earth were to shrink by $1$%
while its mass remained the same,
then how would the acceleration due to gravity on the earth's surface increase by $2$%?
-1
votes
3
answers
2k
views
The acceleration in Earth's gravity
The acceleration in earth's gravity is $9.807 m/s^2$ at my location. But is this value uniform in the entire earth? For example in the inner core or outer core. What is the acceleration in the center ...
0
votes
1
answer
591
views
How much time will it take for an object to fall to the center of the Earth? [duplicate]
The reason I want to know is because many years ago in Sunday school I learned a story that in probably 600 AD some sinner was swallowed up by a hole, and that he's still falling as of today.
I can't ...
0
votes
1
answer
147
views
Why is the value of $g$ 0 in Earth's center? [duplicate]
We know that the value of g in the center of earth is zero(0). But applying the classical formula for calculating g:
We find g=(GM)/0 which is undefined.
So how can this be zero. I don't understand.
- 1,400
1
vote
0
answers
161
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Gravitation: To find acceleration of a particle as a function of distance from centre of a tunnel dug along two points on Earth's surface [duplicate]
Suppose a smooth tunnel is dug along a straight line joining two points on the surface of the earth and a particle is dropped from rest at its one end. Assume that mass of earth is uniformly ...
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0
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2
answers
2k
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Is it correct to say that different acceleration of free fall at the poles and equator is due to centripetal acceleration? [duplicate]
In one of the answers to this question I read that it was becsuse for an object experiencing circular motion at the equator, part of the gravitational force would have to provide for the centripetal ...
- 63
2
votes
2
answers
144
views
What is the value of $g$ at centre? [duplicate]
What is the value of $g$ at the centre of the Earth? Is it zero or infinity?
My attempt: I know it's zero but applying law made me on fused.
- 1,847
3
votes
3
answers
296
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How could they tell things weigh a sixth of their "Earth weight" on the moon?
I frequently keep hearing stuff about "gravity on the moon is only a sixth of that as Earth's" and "of course you'll weigh more on Jupiter". I do know the relative sizes of those bodies allow for ...
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