An adventurous archaeologist crosses between two rock cliffs by slowly going hand-over-hand along a rope stretched between the cliffs. He stops to rest at the middle of the rope (Fig. 1) The rope will break if the tension in it exceeds N and our hero's mass is 86.5 kg.
Figure 1 a) If the angle is , find the tension iin the rope.
b) What is the smallest value the angle can have if the rope is not to break?
Answer & Explanation
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