A spring scale A and a lever scale B having equal lever arms are fastened to the roof of an elevator, and identical packages are attached to the scales as shown. Knowing that when the elevator moves downward with an acceleration of 1 m/s? the spring scale indicates a load of 60 N, determine (a) the weight of the packages, (b) the load indicated by the spring scale and the mass needed to balance the lever scale when the elevator moves upward with an acceleration of 1 m/s².
A spring scale A and a lever scale B having equal lever arms are fastened to the roof of an elevator, and identical packages are attached to the scales as shown. Knowing that when the elevator moves downward with an acceleration of 1 m/s? the spring scale indicates a load of 60 N, determine (a) the weight of the packages, (b) the load indicated by the spring scale and the mass needed to balance the lever scale when the elevator moves upward with an acceleration of 1 m/s².
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
![A spring scale A and a lever scale B having equal lever arms are
fastened to the roof of an elevator, and identical packages are
attached to the scales as shown. Knowing that when the elevator
moves downward with an acceleration of 1 m/s? the spring scale
indicates a load of 60 N, determine (a) the weight of the packages,
(b) the load indicated by the spring scale and the mass needed to
balance the lever scale when the elevator moves upward with an
acceleration of 1 m/s?.
В
A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdfe80350-6fa1-469d-aae2-95b4dd3aa499%2Fa6738d3a-8e6f-4d3d-8e7c-2dd75f95cc3f%2F33wjj98_processed.png&w=3840&q=75)
Transcribed Image Text:A spring scale A and a lever scale B having equal lever arms are
fastened to the roof of an elevator, and identical packages are
attached to the scales as shown. Knowing that when the elevator
moves downward with an acceleration of 1 m/s? the spring scale
indicates a load of 60 N, determine (a) the weight of the packages,
(b) the load indicated by the spring scale and the mass needed to
balance the lever scale when the elevator moves upward with an
acceleration of 1 m/s?.
В
A
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