"a window washer pulls herself upward using the bucket-pulley apparatus. the mass of the person plus the bucket is 65 kg.

(a) how hard must she pull downward to raise herself slowly at constant speed?
(b) if she increases this force by 10%, what will her acceleration be?
"

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system