Physics
Grade-9
Easy

Question

What is the figure showing?

  1. Irregularities between two surfaces
  2. The direction of motion
  3. Both a and b
  4. None of the above

hintHint:

Both a and b

The correct answer is: Both a and b


    The figure shows both irregularities between surfaces and the arrow there shows the direction of motion. The irregularities between surfaces is also one of the reasons of the friction. Friction is caused by the interlocking of irregularities present on the surfaces in contact.

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