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Question 6038
NEET Physics · Hard

Work, Energy & Power: Non-Conservative Forces MCQ

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Non-Conservative ForcesHardQuestion 6038

Question

2 kg block slides 5 m on rough floor (μ = 0.3, g = 10 m/s²). Energy lost to friction:
  1. A
    15 J
  2. B
    30 J
    Correct
  3. C
    6 J
  4. D
    3 J

Correct answer

30 J

Explanation

f = μmg = 6 N. E_lost = 6×5 = 30 J.

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