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From the above figure, a uniform meter rule is suspended by two cords from a...

Physics
JAMB 2025

From the above figure, a uniform meter rule is suspended by two cords from a height. Calculate T?

  • A. 11.25N
  • B. 14.8N
  • C. 19.24N
  • D. 16.77N
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Correct Answer: Option C
Explanation

T x 80 + 15 x 10 = W x 50

80T + 150 = 50W - - -- - - - - -(1)

T + 15 = W  - - - - - - - - - - - (2)

80T + 150 = 50(T + 15)

80T + 150 = 50T + 750

30T = 750 - 150

30T = 600

T = 20N

The closest option is 19.2N

There is an explanation video available below.


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Explanation Video

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