Question

what are the examples of surfaces in real life that are always made smooth and rough and give reasons to explain why​

Answer 1

Explanation:

• Everyday Examples of Sliding Friction:
• 1 Rubbing both hands together to create heat.
• 2 A sled sliding across snow or ice.
• 3 Skis sliding against snow.
• 4 A person sliding down a slide is an example of sliding friction.
• 5 A coaster sliding against a table.
• 6 A washing machine pushed along a floor.
• 7 An iron being pushed across material.