What is the Relationship Between Inertia and Moment of Inertia?

AI Thread Summary
The discussion centers on the relationship between inertia and moment of inertia, specifically regarding a software's use of the term "inertia" with the unit kg·m², which is typically associated with moment of inertia. Participants agree that the context suggests the software is likely referring to moment of inertia, especially given the mention of rotational speed in rpm. Without additional context or formulas, definitive answers are challenging. For further clarification, a link to Wikipedia on moment of inertia is provided, along with a suggestion to visit AshBox for online unit conversion solutions. The conversation emphasizes the importance of context in understanding the terminology used in physics.
Mikealvarado100
Messages
52
Reaction score
0
Hi
Have a look at attached formula. This is a part of a software. it is 'Inertia' which has 'Kg.m^2' unit.
You know 'Kg.m^2' is 'Moment of Inertia' unit. What is your idea about this? Does it use 'Inertia' as 'Moment of Inertia'?
1.jpg
 
Last edited:
Physics news on Phys.org
Don't see no formula. Impossible to answer without any context whatsoever. Anything more ? If not, go with your assumption.
 
Mikealvarado100 said:
Hi
Have a look at attached formula. This is a part of a software. it is 'Inertia' which has 'Kg.m^2' unit.
You know 'Kg.m^2' is 'Moment of Inertia' unit. What is your idea about this? Does it use 'Inertia' as 'Moment of Inertia'?
View attachment 110623
The unit of measure for "speed" is given as rpm (revolutions per minute). Together with the kg⋅m2 unit of measure for "inertia", it is near certain that it is dealing with rotation and that "moment of inertia" is meant.
 
The rope is tied into the person (the load of 200 pounds) and the rope goes up from the person to a fixed pulley and back down to his hands. He hauls the rope to suspend himself in the air. What is the mechanical advantage of the system? The person will indeed only have to lift half of his body weight (roughly 100 pounds) because he now lessened the load by that same amount. This APPEARS to be a 2:1 because he can hold himself with half the force, but my question is: is that mechanical...
Some physics textbook writer told me that Newton's first law applies only on bodies that feel no interactions at all. He said that if a body is on rest or moves in constant velocity, there is no external force acting on it. But I have heard another form of the law that says the net force acting on a body must be zero. This means there is interactions involved after all. So which one is correct?
Thread 'Beam on an inclined plane'
Hello! I have a question regarding a beam on an inclined plane. I was considering a beam resting on two supports attached to an inclined plane. I was almost sure that the lower support must be more loaded. My imagination about this problem is shown in the picture below. Here is how I wrote the condition of equilibrium forces: $$ \begin{cases} F_{g\parallel}=F_{t1}+F_{t2}, \\ F_{g\perp}=F_{r1}+F_{r2} \end{cases}. $$ On the other hand...

Similar threads

Back
Top