anuttarasammyak's latest activity

In your formula K=M for ##\omega R=1##. I think that even the rim part speed reaches light speed, its element contribution is...

@gleem When we regard O as a point in the massless rigid body composed of the arms y, z, and d, only internal forces act on O. Their...

Graphene is not a single-atom lattice. It has two sublattices (A and B). At a Dirac point (K point), the wavefunction is not a simple...

In theory melting point of heavier mono isotope is higher. $$T_{28}<T_{29}< T_{30} $$ For an example D2O has melting point 3.82 degree...

$$\ln 10 e^{y\ln 10 }dy = \frac{dx}{x}$$ $$e^{y\ln 10 } = \ln |x |+ C$$ $$y= \frac{\ln(\ln |x| + C)}{\ln 10}$$defined for $$|x|...

Torque-free hinges are freely articulated or pinned connections between two members of any structure or armature, or between one member...

I would like you to study the following link, which shows how internal forces transfer the external load to the wall...

The small angle between the wall and the diagonal rod, blue line, in the figure of my #90 you quoted. We can make it infinitesimal.

I know that, without support, L-shaped components experience significant stress concentration at the inner corner due to bending. This...

@kuruman thank you for a good resume of your thought. I observe different results between us on Fy, vertical component of the force from...

Thank you @Steve4Physics . By your advice I will restate #68 refrain from using the word subsystem. Red forces act on HR. They...

Thank you. I had found faults in my c) study explained in my posts after. So Let me confirm of your teaching in another approach...

Thanks for the nice figures. In this connected situation which is a correct saying about torque of subsystems? 1 Torque...

You are comparing two different systems – not two versions of the same system. So your comparison isn’t valid. I'll try to explain why...

I thought it would be a headache for a carpenter fixing a shelf on the wall. What size of bolt should I use to fix the shelf to stop it...