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Force — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSForce1 Mark
MCQ
Friction is increased if
  • A
    an oil is sprayed
  • B
    the surfaces are made wet
  • ✓
    the surfaces are made dry
  • D
    the surfaces are polished
✓

Answer

Correct option: C.
the surfaces are made dry
the surfaces are made dry

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