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المشاركة الأصلية كتبت بواسطة Muslim&proud

اتفضـــل السـؤال يا بشمهندس
A block placed under the head of the claw hammer as shown greaty facilitates the extraction of the nail. If a 50-lb pull on the handle is required to pull the nail , calculate the tension T in the nail and the magnitude A of the force exerted by the hammer head on the block . The contacting surfaces at A are sufficiently rough to prevent slipping

:D

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