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Determine the magnitude of P in the diagram above

Physics
WAEC 2006

Determine the magnitude of P in the diagram above
  • A. 16N
  • B. 20N
  • C. 32N
  • D. 40N
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Correct Answer: Option C
Explanation
X = 50 sin30 = 30 x 0.5 = 25cm

40 x 20 = p x 25

p = \(\frac{40 \times 20}{25}\)

= 32N

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