All Questions
10
questions
0
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3
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81
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Pseudo Orbital motion only due to Coriolis force
Planet, say of mass M and radius R is rotating with some angular velocity ω and a object of mass m (initially on the surface and rotating with the planet) was launched with velocity v vertically ...
- 19
4
votes
3
answers
989
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Does the Coriolis force apply to an object moving weightlessly in a tunnel around the center of Earth?
I just want to be sure I understand correctly.
They ask us to find the speed at which an object moves weightlessly in a tunnel around the center of the Earth. Assume Earth is homogeneous, and the part ...
- 155
0
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0
answers
118
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Applied Example of Coriolis Force/ Effect for an Object Moving around Earth
There are very few examples on the Internet about how to calculate the Coriolis Force of an object moving around Earth.
Could you give me your feedback about how I proceeded ?
The Coriolis Force is ...
- 155
3
votes
1
answer
95
views
Can a pendulum at resting equilibrium position still demonstrate the Earth's rotation?
I conducted an experiment in my youth, creating a 'sand pendulum' hanging from the bedroom ceiling to a bowl of flour. I did not set the pendulum into motion, but rather wanted to see if the force of ...
- 31
1
vote
2
answers
62
views
Why only one pseudo force for a revolving frame?
Pg 348, Kleppner and Kolenkow.
Earth in a free fall towards sun is shown.
Authors write
The earth accelerates toward the sun at rate $\mathrm{A}=\mathrm{G}_{0}$
...
The apparent force to an ...
- 1,270
0
votes
2
answers
570
views
Why specifically should a Foucault pendulum be long and massive?
For a pendulum to easily demonstrate the Foucault effect, it should
have as long a cable as possible (this one is 52 feet) and a heavy
symmetrical bob (this one is hollow brass, weighing about 240 ...
- 3,006
1
vote
1
answer
95
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How to show that a hollow planet is rotating?
So i have this question that is bothering me for a while. Suppose you are inside a hollow planet with no contact with the exterior. How do one show that the planet is rotating? I've been thinking ...
- 11
1
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0
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57
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Whether a ball thrown upwards will come back to the same position if we consider the effect of rotation of the earth [duplicate]
My friend and I had a huge debate about whether the trajectory of a projectile thrown upwards will be affected by the rotation of the earth. We finally concluded after detailed explanations that it ...
- 997
1
vote
3
answers
438
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Could we use the Coriolis effect to travel?
Given a platform that is floating independent of Earth's gravity, would it be possible to put a platform over the equator and over the day, would the Earth rotate from under it allowing you to travel ...
- 180
37
votes
5
answers
22k
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Why can't we feel the Earth turning?
The Earth turns with a very high velocity, around its own axis and around the Sun.
So why can't we feel that it's turning, but we can still feel earthquake.
- 519