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(a) When rebuilding her car's engine, a physics major must exert 300 N of force to insert a dry steel piston into a steel cylinder. What is the magnitude of the normal force between the piston and cylinder? (b) What is the magnitude of the force would she have to exert if the steel parts were oiled?
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Final Answer
  1. $1000 \textrm{ N}$
  2. $30 \textrm{ N}$
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OpenStax College Physics Solution, Chapter 5, Problem 2 (Problems & Exercises) (1:50)

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