Problem

The crowbar is subjected to a vellicai force of P = 25 lb at the grip, whereas it takes a...

The crowbar is subjected to a vellicai 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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Solutions For Problems in Chapter 4

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