Pg. 41, 2nd equation: V sp = ... + 1 2 k 3 (y) 2 Pg. 41, 3rd equation from bottom: V = 1 2 (K 11 x 2 + • • • Pg. 45, 3 lines from bottom: ... express P dis in terms ... Pg. 51, 2nd and 3rd equations: delete all overdots in expressions for ∆r D and ∆r E Pg. 51, 3rd equation from bottom: Result should be P in = 0.866LF 1 ú θ Pg. 52, 2nd Þgure: the downward force on the small gear is k∆ 2 + µ ú ∆ 2
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