State two situations for which friction is considere to be: \( (\alpha) \) desirable \( (\beta) \) undesirable
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Think of a car skidding on icy roads; that's when friction becomes our enemy! We definitely want it to be undesirable in that scenario. On the flip side, when you're briskly walking without slipping or, better yet, when a basketball player gets the perfect grip on the court, friction is a superstar! In these situations, we absolutely want friction to work its magic. So, friction can either dance with us or trip us up—it's all about the context!