Physics
Grade-9
Easy
Question
______ of friction is seen in the image.
- Advantage
- Disadvantage
- Either a or b
- None of the above
Hint:
The disadvantage of friction is clearly seen when the tyres of vehicles gets rubbed off.
The correct answer is: Disadvantage
Disadvantage of friction is seen in the image.
- Friction causes heat when the objects have rough surfaces.
- The rubber surface of the vehicle tyres is rubbed off due to friction.
- This is one of the disadvantages of friction.
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