Question

What are advanages and disadvantages of static friction
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Answer 1

Advantages:

1.) enable us to walk freely
2.)objects can be piled up without slipping
3.)breaks of vehicles work due to friction

Disadvantages:

1.)it cause wear and tear of machines
2.)it decreases the life expectancy of moving parts of vehicles
3.)it always resists the motion,so extra energy is required to overcome it.