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1. questions/03-08-2024-1-36-am-1.png

  • A. 30 N
  • B. 30 N
  • C. 30 N
  • D. 30 N

Answer: Option A

Explanation:

50 N বল বরাবর আনুভূমিক বল

F = 50cos0°+40cos60°+25cos90°+20cos180°

    = 50+20+0-40 = 30 N.

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