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Force and Pressure — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceForce and Pressure1 Mark
MCQ
Tyres of vehicles have grooves on their surface:
  • A
    To reduce the cost of material used.
  • ✓
    Increase friction.
  • C
    Decrease friction.
  • D
    Make them attractive.
✓

Answer

Correct option: B.
Increase friction.

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