~ . I 10. A force of 637 N on a lever to raise a 32 k9 \"OCR a distance if Iolznl'lavef the lever has an efficient? of 85.6%. how for did the end Of 1 e e to be pushed? 11. A carousel rotates around with a centripetal acceleration of 33.4 m/sz. A Child sits on a horse 1.75 m from the center. What velocify does ii need *0 5Pi" f\" it 1 \"Chic\" that acceleration? 11A child with o moss of 31 kg sits on o see-saw 0.56 m from another child with a mass of 18 k9 sits 0.37 In from the fulcrum. Where-should a 88 kg adult sit to balance the see-saw