2. Two masses were connected by a frictionless pulley and is placed in an inclined plane with kinetic friction coefficient of u=0.2 as shown in figure below. If we let mass m2 to move at a constant speed downwards, give the following: a. Draw the FBD and write the summation of all forces acting on the masses. b. Solve for mass m2 if mass mi = 4kg. c. Find the tension force of the string.

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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!