Two objects are connected by a light string that passes over a frictionless pulley as shown in the figure below. m1 = 7.37 kg, m2 = 6.70 kg, and ø = 62°. When released from rest, m¡ accelerates downward at 1.854 m/s². For this to happen, the coefficient of kinetic friction must be |, and to even begin sliding in the first place the coefficient of static friction must be --Select--- v than Use g=9.8 m/s2. m

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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!