0₁ 03 Fo X Figure 5-29 Three astronauts, propelled by jet backpacks, push and guide a 120 kg asteroid toward a processing dock, exerting the forces shown in Figure 5-29, with F1 = 32 N, F2 = 54 N, F3 = 41 N, 01 = 30°, and 03 = 60°. What is the asteroid's acceleration in unit-vector notation?

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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!