4.53 A uniform cable of weight w hangs vertically downward,supported by an upward force of magnitude w at its top end. What is the tension in the cable (a) at its top end; (b) at its bottom end;|(c) at its middle? Your answer to each part must include a free-body diagram. (Hint: For each question choose the body to analyze to be a section of the cable or a point along the cable.) (d) Graph the tension in the rope versus the distance from its top end.

Fig: 1