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Friction — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceFriction1 Mark
MCQ
Gregory rolls a plastic ball on the floor. The ball stops after rolling a certain distance. The ball stops because of the presence of.
  • A
    Gravitational force.
  • ✓
    Frictional force.
  • C
    Magnetic force.
  • D
    Electric force.
✓

Answer

Correct option: B.
Frictional force.
Friction can be defined as the resistance hindering the relative movement, or the propensity toward such a movement, of two surfaces that are in contact. It is because of this resistance that the ball stops after rolling a certain distance. Hence, the ball stops because of the presence of frictional force.

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