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Question

Which of the following material is likely to have the least friction?


A

Wood

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B

Glass

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C

Paper

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D

Plastic

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Solution

The correct option is B

Glass


Friction:

  1. Glass has comparatively a better polished and regular smooth surface. So it has the least friction.
  2. Friction is the force that prevents one solid object from sliding or rolling over another.
  3. Frictional forces, such as the traction required to walk without slipping, are beneficial, but they also present a significant amount of resistance to motion.

Hence, Option(B) is correct.


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