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Determine whether w is positive or negative in each scenario. The system is underlined. Positive Negative

Determine whether w is positive or negative in each scenario. The system is underlined. Positive Negative

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Determine whether w is positive or negative in each scenario. The system is underlined. Positive Answer Bank Negative
Transcribed Image Text:Determine whether w is positive or negative in each scenario. The system is underlined. Positive Answer Bank Negative
A person is pedaling a bicycle down the street. Answer Bank A person is pedaling a bicycle down the street. An elevator takes a person from the first floor of a building to the seventh floor.
Transcribed Image Text:A person is pedaling a bicycle down the street. Answer Bank A person is pedaling a bicycle down the street. An elevator takes a person from the first floor of a building to the seventh floor.
Expert Solution
Step 1: Criterion to decide the sign of work done!

Answer:

When work is done by the system then it is taken as negative and when work is done on the system it is taken as positive.

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