Answer to Question #68146 in Mechanics | Relativity for Brittany Giesbrecht

Question #68146
Why is friction so necessary when you are riding inside a subway?
1
Expert's answer
2017-05-12T12:51:10-0400
It is because the static friction force helps us to stay at the same place. Without friction we would go back (stationary relative to subway platform and not to train).

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