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– m*g P = 8. 5*9. 8 p = 83. 3 N N = 72. 13 (N) px P*SenO Px 83. 3*Sen300 Px=41. 65N T =41. 65 N = P. Sena py = 83. 3*c0s300 72. 13 N Px/m a = 41 . 65/8. 5 pg. 16 – a) Atps fisica ii primeira parte Premium By dyagodst I anpe,1R 02, 2012 4 pages Resolução p = cos OF4 a=10m/s2 20 20-F2 cos250)/5 b) a = (12 cos250)/5 F Sem 250 + N — = O (m*g)/(Sen 25) F = 25) a = (116 cos 253/5 a = (F cos 120-49 – a) am = ((Mp-Mm)*g)/(Mp-Mm) c) F=mp (g-am) = 2 m,’s2 *117 N a = 2,18 a = 21,02 m,’52 a m/s2 Bloco M 145 – 29 Bloco m = m*a*x m*a + Nm pm -fe — We*Nm = O Nm = Fr- 3. 0 N ME Fr=o Fr ma pr- 9. 7 N 143- 10 wc = 0 25 We 0,40 M 2,50 Fn – (m*g) – P b)10N c)12 N Fn (m*g)- p 16,5 N Fe Wc*Fn 0,25 3 (m*g) – p Fn – 60 Fn- 155,6 N Fn = (m*g) – p – 34 181,6 N = – 12 Fn = 203,6 N d) Fn = -48 167,6 N Fn – 48 Fn- 153,6 N f) Fn = – (-10) 255,6 N g) = – (-18) Fn = 233,6 N = we*Fn 4DF4