jbriggs444's latest activity

Not really, because the problem is that there are multiple ways to break the motion of a rigid body into rotation and translation, and...

By contrast to a rotating frame of reference. It is not spinning. We may take it as an article of faith that any "frame" we speak of...

I want to be sure that I understand the setup precisely. When you speak of "the" rest frame of the system's CoM, I believe that you are...

What I believe @russ_watters is getting at is that if the rest of the house is tightly sealed then no wind will enter the front door...

Note that how hard it is to close a door in the scenario above depends on wind speed, direction, and how "tight" or "leaky" the building...

So, for instance, you are standing at your front door. The door is open and the wind is blowing into your house through the open door...

We had our first Thanksgiving this year a week ago Thursday. Our away son had plans for Thanksgiving day, so we did it a week early. I...

The problem with Newton's formulation is not that it is too brief, but rather the opposite: He should have skipped the initial prose...

... rather vague. So I addressed a specific point of yours: I gave you examples on how this approach fails and leads to wrong...

And where did that deep but wrong intuition come from? The stated reason given for the disbelief was usually based on cause-effect...

I've taken the liberty of clarifying your assertion. Yes, I agree that an expansion tank would work for that.

As drawn, the pressure inside the system is indeterminate. You have a fixed amount of fluid in a container with a fixed volume. No...

There is an interpretation that the net of all internal forces in a system is zero. It follows that internal forces alone cannot produce...

Amelie Emmy Noether.

The chosen terms were in Latin. I believe that they were written for the capable learned men of the time: I find the explanation in...