A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a position 2.4 m sideways from its original position, always keeping the rope taut.
A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a position 2.4 m sideways from its original position, always keeping the rope taut.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 43PQ: A woman uses a rope to pull a block of mass m across a level floor at a constant velocity. The...
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Question
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What horizontal force is necessary to hold the bag in the new position?
- As the bag is moved to this position, how much work is done by the rope?
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As the bag is moved to this position, how much work is done by the worker?
Transcribed Image Text:A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the
bag to a position 2.4 m sideways from its original position, always keeping the rope taut.
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