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Determine the magnitude of P in the diagram above

Determine the magnitude of P in the diagram above
  • A.
    16N
  • B.
    20N
  • C.
    32N
  • D.
    40N
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