PROBLEMS

5.60 An adventurous archaeologist crosses between two rock

cliffe by slowly going hand over hand along a rope stretched

between the cliffs. He stops to rest at the middle of the rope

(Fig. P5.60). The rope will break if the tension in it exceeds

2.50 × 10 N, and our hero's mass is 90.0 kg. (a) If the angle

is 10.0°, what is the tension in the rope? (b) What is the smallest

value 9 can have if the rope is not to break?

Figure P5.60