Asked by henry
A window washer pulls herself upward using the bucket-pulley apparatus..
Part A) How hard must she pull downward to raise herself slowly at constant speed? The mass of the person plus the bucket is 80 kg .
Part B) If she increases this force by 16 %, what will her acceleration be? The mass of the person plus the bucket is 80 kg .
Part A) How hard must she pull downward to raise herself slowly at constant speed? The mass of the person plus the bucket is 80 kg .
Part B) If she increases this force by 16 %, what will her acceleration be? The mass of the person plus the bucket is 80 kg .
Answers
Answered by
bobpursley
this depends on the mechanical advantage of the pulley system.
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