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

Question 87

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 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/s<sup>2</sup>. The scale reads A) 0 N. B) 22.2 N. C) 44.5 N. D) 66.7 N. E) 71.2 N.


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

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