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Simple Machines — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSSimple Machines1 Mark
MCQ
Wheel is used with axle because
  • A
    sliding friction is less than the roffing friction
  • ✓
    rolling friction is less than the sliding friction
  • C
    they work as the inclined plane
  • D
    They help us to change the direction of force.
✓

Answer

Correct option: B.
rolling friction is less than the sliding friction
rolling friction is less than the sliding friction

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