A person stands on a scale inside an elevator at rest (Figure 2.51). The scale reads 800 N. (20 pts.)a) What is the person's mass?b) The elevator accelerates downward momentarily at the rate of 2 m/s2. What is the normal force? c) What does the scale read when the elevator accelerates downward momentarily at 2 m/s2?d) The elevator then moves with a steady speed of 5 m/s. What does the scale read?

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Description: A person stands on a scale inside an elevator at rest (Figure 2.51). The scale reads 800 N. (20 pts.)a) What is the person's mass?b) The elevator accelerates downward momentarily at the rate of 2 m/s2. What is the normal force? c) What does the scale

Answered: A person stands on a scale inside an…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter1: Introduction And Vectors

Section: Chapter Questions

Problem 8OQ

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A person stands on a scale inside an elevator at rest (Figure 2.51). The scale reads 800 N. (20 pts.)

a) What is the person's mass?

b) The elevator accelerates downward momentarily at the rate of 2 m/s². What is the normal force?

c) What does the scale read when the elevator accelerates downward momentarily at 2 m/s²?

d) The elevator then moves with a steady speed of 5 m/s. What does the scale read?

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According to the Newton's second law,

net force = mass x acceleration

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