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 .
Answered by bobpursley
this depends on the mechanical advantage of the pulley system.