168 Circular Motion and Other Applications of Newton’s LawsP6.25FFmagmax=+ =591 Nmagmin=− =391 N(a)Adding, 2982Fg=N, Fg=491 N(b)Since Fmgg=, m==49150 1N9.80 m skg2.(c)Subtracting the above equations,2200ma=N∴=a200. ms2P6.26(a)arr∑=mgmvRmRRTgRTTRgFHGIKJ=×=×=22222632442637 10507 10141π...m9.80 m ss h2(b)speed increase factor FHGIKJ=vvRTTRTTnewcurrentnewcurrentcurrentnewh1.41 h2224 017 1..*P6.27The car moves to the right with acceleration a. We find the acceleration of abof the block relative tothe Earth. The block moves to the right also.Fman mgnmg fmgamgmaagyykxxkbbk∑
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .