71st BPSC Prelims (2025), question 126

🔬 Science & Technology

  1. A pair of Oxen exerts 140 N force ploughing a 15m field. Work done in ploughing the length is:

    1. 1900 Joule
    2. 2000 Joule
    3. 2100 Joule
    4. 2200 Joule
    Show answer

    Answer: C — 2100 Joule

    Work = Force × Distance = 140 × 15 = 2100 J.

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Bihar Public Service Commission