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Glossary » Units » Angular Momentum, Action » A.u. of Action
A.u. of Action (a.u.) is a unit in the category of Angular momentum, Action. It is also known as atomic units, u.a., au, ua. This unit is commonly used in the a.u. unit system. A.u. of Action (a.u.) has a dimension of ML2T-1 where M is mass, L is length, and T is time. It can be converted to the corresponding standard SI unit J-s by multiplying its value by a factor of 1.05457266E-034.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Angular momentum, Action include A.u. of Angular Momentum (a.u.), Joule-Second (J-s), Newton-Meter-Second (N-m-s), Planck (planck), Pound Force-Foot-Second (lbf-ft-s), and Pound Force-Inch-Second (lbf-in-s).

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Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

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