A window washer pulls herself upward using the
Chapter 4, Problem 24(choose chapter or problem)
A window washer pulls herself upward using the bucketpulley apparatus shown in Fig. 448. (a) How hard must she pull downward to raise herself slowly at constant speed? (b) If she increases this force by 15%, what will her acceleration be? The mass of the person plus the bucket is 72 kg.
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