A 445-N Weight Is Hung on a Spring Scale,and the Scale

question 88

Multiple Choice

A 44.5-N weight is hung on a spring scale,and the scale is hung on a string.The string is lowered at a rate such that the entire assembly has a downward acceleration of 4.90 m/s².The scale reads

• A)0 N
• B)22.2 N
• C)44.5 N
• D)66.7 N
• E)71.2 N

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Definitions:

Ear Irrigation

A procedure for removing earwax or foreign materials from the ear canal using a stream of liquid.

Pinna

The visible part of the ear that is outside the head, which functions in capturing sound waves and directing them into the ear canal.

Anterior Aspect

Refers to the front surface or position of a part of the body.

Hearing Aid

An electronic device designed to improve hearing by making sound audible to a person with hearing loss.