The crowbar is subjected to a vertical force of P = 25 lb at the grip, whereas
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The crowbar is subjected to a vertical force of P = 25 lb at the grip, whereas it takes a force of F = 155 lb at the claw to pull the nail out. Find the moment of each force about point A and determine if P is sufficient to pull out the nail. The crowbar contacts the board at point A.
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F 60° 20° 3 in. P. A 14 in. in.
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