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A block of mass 5 kg rests on a horizontal surface. The coefficient of static friction is 0.4. What is the maximum static friction force? (Take g = 10 m/s²)

  1. (a) 10 N
  2. (b) 15 N
  3. (c) 20 N
  4. (d) 25 N
Answer and solution

Answer (c) 20 N

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Study Friction

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