Final answer:
The method of measuring backlash most often used for larger gears was not provided, but it involves measuring the free movement between gear teeth, which may use dial indicators or laser scanners in an engineering context. This technique relates to the study of torque and angular momentum in mechanical systems.
Step-by-step explanation:
The method of measuring backlash that is most often used for larger gears is not explicitly mentioned in the provided information. Backlash is usually the play between adjacent teeth of gear components in mechanical systems and can be measured in several ways, depending on the precision required and the size of the gears.
When dealing with larger gears, methods that can accurately measure the gear movement without requiring miniature measurement devices are preferred. Techniques often involve checking for the amount of free movement between the gear teeth.
For a detailed and precise methodology, professionals in mechanical engineering might employ measurement devices such as dial indicators or laser scanners, combined with specific calculations, to ascertain the gear's backlash accurately.
Tools like these can also produce measurable amounts of torque on a system, which is important when examining the relationship between angular momentum, torque, and time. Nonetheless, without the specific method provided, applying the correct measurement technique can vary based on the gear size and machinery involved.