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Question
Figure 4.39 shows Superhero and Trusty Sidekick hanging motionless from a rope. Superhero’s mass is 90.0 kg, while Trusty Sidekick’s is 55.0 kg, and the mass of the rope is negligible. (a) Draw a free-body diagram of the situation showing all forces acting on Superhero, Trusty Sidekick, and the rope. (b) Find the tension in the rope above Superhero. (c) Find the tension in the rope between Superhero and Trusty Sidekick. Indicate on your free-body diagram the system of interest used to solve each part.
Question Image
<b>Figure 4.39</b> Superhero and Trusty Sidekick hang motionless on a rope as they try to figure out what to do next. Will the tension be the same everywhere in the rope?
Figure 4.39 Superhero and Trusty Sidekick hang motionless on a rope as they try to figure out what to do next. Will the tension be the same everywhere in the rope?
Question by OpenStax is licensed under CC BY 4.0.
Final Answer
  1. See the video for freebody diagrams.
  2. $1420 \textrm{ N}$
  3. $539 \textrm{ N}$
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OpenStax College Physics Solution, Chapter 4, Problem 34 (Problems & Exercises) (5:00)

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