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Questions tagged [inertia]

Inertia is the tendency of a body to oppose changes to its state of motion. DO NOT USE THIS TAG for moment of inertia or inertia tensor!

-1 votes
2 answers
67 views

Why does binding energy of particles, which constitutes most of macroscopic mass, make them harder to accelerate?

I've seen a lot of questions on this topic so please don't misunderstand, I understand E = mc^2 and SEMF and so on. I specifically want to know how internal forces within lets say a nucleus make it ...
Rok M.Vahtar's user avatar
1 vote
0 answers
23 views

Evolution of a rotating system in which mass continually leaks [closed]

this might be a trivial problem but me and a friend have failed to solve it. This is not homework, it actually relates to a book of mine but that is of no interest. Imagine the following; Two masses $...
ErikHall's user avatar
  • 308
0 votes
0 answers
16 views

Mass moment of inertia flipping in different mediums

Consider someone performing a front flip in the water versus in the air. Assume the body position in both cases to be identical. In which case would the mass moment of inertia be greater and why? Prof ...
user401506's user avatar
0 votes
1 answer
49 views

Is this the correct way to integrate orientation given torque and inertia tensor?

I am trying to develop a 3D rigid body simulation in C++ in which I had some conceptual doubts on how to integrate for orientation given the total torque applied to a rigid body, and it's initial ...
Kotetsu Chan's user avatar
1 vote
3 answers
154 views

Geodesic equation: Bridging the gap between inertia and gravity

The geodesic equation can be expressed as: $$\frac{\mathrm{d}^2 x^\mu}{\mathrm{d}\tau ^2} + \Gamma _{\alpha \beta} ^\mu \frac{\mathrm{d}x^\alpha}{\mathrm{d}\tau} \frac{\mathrm{d}x^\beta}{\mathrm{d}\...
RJurjevic's user avatar
0 votes
2 answers
34 views

Can we achieve infinite movement from one initial burst of energy?

If there was a large enough vacuum chamber, and it was a perfect vacuum, could we potentially throw something and have it move infinitely? When you throw something, say a football, it travels through ...
Himminihama squash bannana Ben's user avatar
1 vote
1 answer
252 views

What would be an experimental test of Sciama’s theory and why it has not been pursued yet?

Recently I came across a video were the origin of inertia was attributed to Sciama’s paper (1953). I have seen only a couple of questions regarding this topic on Stack Physics. Both of them are ...
Py-ser's user avatar
  • 289
1 vote
1 answer
111 views

Did Newton know that light has no inertia? [closed]

Newton studied a lot about optics and gravitation. Did he realize to some extent that light is a massless particle? How does his theory explain the bending of light due to a gravitational field?
user74750's user avatar
  • 195
1 vote
4 answers
53 views

How to calculate time needed by an object to change its state of motion when an net force applies to it (inertia)?

(Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to "...
Smm's user avatar
  • 11
0 votes
1 answer
134 views

In a moving car / bus when the car suddenly accelerates do we go back due to inertia or is it due to pseudo force?

When an car moves forward we go back and we have always read that the reason was that our legs stay in contact with the ground and our body goes back since it was at rest and with sudden motion it ...
Aditya Pradhan's user avatar
1 vote
1 answer
52 views

Why the orientation of an object on Earth rotates with the rotation of earth? Is this due to friction?

The moon always faces toward Earth. That's because the moon rotates itself while revolving around the earth. This might be the result of tidal force for a long time, but what about objects on Earth? ...
nurunzi's user avatar
  • 25
1 vote
2 answers
126 views

How do you calculate kinetic energy in a convention where the one-way speed of light is anisotropic?

The question about measuring the one-way speed of light has been debated in several posts in this forum, and are treated in detail on this wiki page. In relation to this debate, I wonder how you would ...
Mads Vestergaard Schmidt's user avatar
0 votes
0 answers
53 views

Maxwell's wheel - moment of inertia vs damping coeff

I am investigating the relationship between the moment of inertia of a yoyo-like apparatus (maxwell's wheel) and its damping coeff. I am adding disks to my yoyo to change its moment of inertia, which ...
LV2's user avatar
  • 1
0 votes
0 answers
24 views

What is exactly particle inertia in a fluid-particle mixture?

In a mixture of a cylindrical particle and the carrier fluid, what exactly particle inertia refer to? (let's neglect gravitation force and Brownian motion). When the size of particles are small (...
user2966501's user avatar
0 votes
2 answers
129 views

What experiment should be conducted?

Im self studying physics and came to this question in my textbook: A passenger in a moving bus with no windows notices that a ball that had been at rest on the aisle suddenly start to move towards ...
Chris Christopherson's user avatar

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