Friction is an evil but necessary also explain the sentence with example?

Question: Friction is an evil but necessary also explain the sentence with example?

Friction is often seen as a hindrance to motion, but it is also necessary for many processes to occur. For instance, without friction, we would not be able to walk or drive a car. However, friction also causes wear and tear on machines and can be detrimental in situations where we want to minimize energy loss, such as in the design of high-speed trains or airplane engines. Thus, while friction can be considered an "evil" because of its negative effects, it is also a necessary component of many essential processes.

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