Tarzan, who weighs 688 N, swings from a cliff at the end of aconvenint vine that is 18m long. From the top of the cliff tothe bottom of the swing, he descends by3.2 m. The vine will breakif the force on it exceeds 850 N.
(a) Does the vine break?
(b) If no,what is the greatest force on it, during the swing? If yes, at what angle with the vertical does it break?