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Question 30258
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Laws of Motion and Friction: Friction — Conceptual MCQ

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Friction — ConceptualHardQuestion 30258

Question

A heavy box is pushed across a rough floor at constant speed. The applied force equals the friction force. If you suddenly increase the push, the box:
  1. A
    Decelerates
  2. B
    Continues at constant speed
  3. C
    Accelerates
    Correct
  4. D
    Stops immediately

Correct answer

Accelerates

Explanation

Applied force > kinetic friction → net force > 0 → acceleration > 0 → box accelerates.

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