Data 2) ニ 80N %3D 0=30° my = 3kg F= 80N 0= 30° Calculate: a) acceleiation ) Tension. Me= 0.10 FN Fx=Feos30° Fx =(80N)Cos: =F sin 30° /- =69.3 N Solation Fy =(30N) Sin3 = 40N2 Bexng Box mi Box m2 | ZFx=max = Fx=FT EFx = Fr,= m2 az 69:3N - 17.3 im/s mi aky * F L F because G acts to accelera ケニm2a (Box m) only * Fr=51.9N LE

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!