Which of the following is a disadvantage of friction?a)It enables the ...
The wearing out of the soles of shoes is a disadvantage of friction.
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Which of the following is a disadvantage of friction?a)It enables the ...
Disadvantages of Friction
Friction is a force that opposes the motion of objects in contact. While it has many useful applications, it also has its downsides. One significant disadvantage of friction is its contribution to wear and tear on materials.
Wearing Out Shoes
- Increased Abrasion: When we walk or run, the soles of our shoes come into contact with the ground, creating friction. This friction causes the materials of the shoe to wear down over time.
- Frequent Replacement: As shoes wear out due to friction, they become less supportive and less comfortable. This leads to the need for more frequent replacements, which can be costly.
- Environmental Impact: The need to replace worn-out shoes contributes to waste and environmental concerns, as discarded shoes add to landfill problems.
Comparison with Other Options
- Brakes in Cars: Friction is essential for the functioning of brakes. It allows the vehicle to slow down or stop, enhancing safety.
- Holding a Pen: Friction enables us to grip a pen effectively, allowing for smooth writing without slipping.
- Sanding Surfaces: The friction created by sandpaper helps smooth surfaces, making it an important tool in woodworking and finishing tasks.
Conclusion
In summary, while friction is vital for various activities and safety mechanisms, one of its notable disadvantages is the wearing out of shoes (option D). Understanding this aspect of friction helps us appreciate the balance between its benefits and drawbacks in our daily lives.
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