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14. An airtight closed box of weight P is suspended from a spring balance. A bird of weight W is placed on the floor of the box, and the balance reads W + P. If the bird flies around in the at a constant elevation without accelerating, what is the balance reading? а. Р b. P+ 2W c. P- W d. P + W

14. An airtight closed box of weight P is suspended from a spring balance. A bird of weight W is placed on the floor of the box, and the balance reads W + P. If the bird flies around in the at a constant elevation without accelerating, what is the balance reading? а. Р b. P+ 2W c. P- W d. P + W

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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14. An airtight closed box of weight P is suspended from a spring balance. A bird of weight W is placed on the floor of the box, and the balance reads W + P. If the bird flies around in the at a constant elevation without accelerating, what is the balance reading? b. P + 2W с. Р - W d. P + W а. Р 15. The beam shown at the right is a. stable b. unstable c. statically determinate d. statically indeterminate 16. The moment of inertia of any plane figure can be expressed in units of length to the a. first power b. third power c. second power d. fourth power
Transcribed Image Text:14. An airtight closed box of weight P is suspended from a spring balance. A bird of weight W is placed on the floor of the box, and the balance reads W + P. If the bird flies around in the at a constant elevation without accelerating, what is the balance reading? b. P + 2W с. Р - W d. P + W а. Р 15. The beam shown at the right is a. stable b. unstable c. statically determinate d. statically indeterminate 16. The moment of inertia of any plane figure can be expressed in units of length to the a. first power b. third power c. second power d. fourth power
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