# non-rotating mass

## Portuguese translation: massa não rotativa

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 English term or phrase: non-rotating mass Portuguese translation: massa não rotativa

 00:43 Nov 24, 2020
 The asker opted for community grading. The question was closed on 2020-11-27 12:54:13 based on peer agreement (or, if there were too few peer comments, asker preference.)
English to Portuguese translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / wheels
 English term or phrase: non-rotating mass A rotating mass, or rotor, is said to be out of balance when its center of mass (inertia axis) is out of alignment with the center of rotation (geometric axis). Unbalance causes a moment which gives the rotor a wobbling movement characteristic of vibration of rotating structures. When talking about bicycle wheels, their weight typically receives a lot of attention. This is true for a couple of reasons: First, obviously weight of any sort in bicycle parts receives attention, especially for courses with significant uphill sections, and secondly, most people remember from their high school Physics classes that rotating mass also results in rotational inertia, or a resistance to "spin up". The common wisdom is that wheel mass, since it is rotating, counts "doubly bad" as compared to non-rotating mass. There's a grain of truth to this common wisdom, but it doesn't tell the entire story. In fact, in most cases, wheel mass and rotational inertia tend to be exceedingly small determinants of a particular wheel's performance; much less than the effects of the wheel's aerodynamics, or a particular tire's rolling resistance.
 Lilian MagalhãesBrazil Local time: 10:23
 massa não rotativa Explanation:Creio que se trata da massa 'estática' de um motor, por exemplo.
Selected response from:

Thales Almeida
Brazil
Local time: 10:23
 Thank you4 KudoZ points were awarded for this answer

4 +6massa não rotativa
 Thales Almeida
3corpo não giratório
 Clauwolf

8 mins   confidence: peer agreement (net): +6
massa não rotativa

Explanation:
Creio que se trata da massa 'estática' de um motor, por exemplo.

 Thales AlmeidaBrazilLocal time: 10:23Specializes in fieldNative speaker of: PortuguesePRO pts in category: 180
 Thank you

agree  Felipe Lacerda: Não tinha visto a sua resposta antes. "Massa estática". Vou tirar a minha.
 2 mins

agree
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20 hrs   confidence:
corpo não giratório

Explanation:
:)

 ClauwolfLocal time: 10:23Works in fieldNative speaker of: PortuguesePRO pts in category: 307

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