A window washer pulls herself upward using the bucket-pulley apparatus shown is Fig. 4.48. (a) How hard
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(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 65kg?
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The window washer pulls down on the rope with her hands with a tension force F so the rope pu...View the full answer
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