A picture frame is hung using two cords on a wall, as illustrated in the figure. If the mass of the frame is 350 g: (i) Calculate the tension in each of the cords? (ii) If the left string is cut what is the tension in the right 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!