The figure below shows a claw hammer being used to pull a nail out of a horizont

Question

The figure below shows a claw hammer being used to pull a nail out of a horizontal board where theta = 34.2 degree. The mass of the hammer is 1.00 kg. A force of 180 N is exerted horizontally as shown, and the nail does not yet move relative to the board. Assume the force the hammer exerts on the nail is parallel to the nail. Find the force exerted by the hammer claws on the nail. magnitude__kN direction___degree above the horizontal Find the force exerted by the surface on the point of contact with the hammer head. (__i +__j) N

Explanation / Answer

Vertical force component = 180 × 30/5 =1080 N

Horizontal force component = 1080 tan 34.2 = 733.32 N

Total force = sqrt [10802 + 733.322] = 1305 N

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Horizontal component = 733.32 - 180 = 553.32 N

Vertical component = 1080 N

Force exerted by the surface = 553.32 i + 1080 j

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