. Determine the Maximum Weight "W" so the the tension in rope Tb will not exceed 400Kn.  b. Determine the Tension in Cable "Ta" if Td=300kn.

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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!