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11.48 ... A claw hammer isused to pull a nail out of a board(Fig. P11.48). The nail is at anangle of 60_ to the board anda force F S1 of magnitude 400 Napplied to the nail is requiredto pull it from the board. Thehammer head contacts the boardat point A which is 0.080 mfrom where the nail enters theboard. A horizontal force F S2 isapplied to the hammer handleat a distance of 0.300 m abovethe board. What magnitude offorce F S2 is required to apply therequired 400-N force 1F12 to thenail? (Ignore the weight of the hammer.)