# physics

posted by .

A window washer pulls herself upward using the bucket-pulley apparatus. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent, what will her acceleration be? There is only one pulley.

• physics - repost -

## Similar Questions

1. ### Physics

A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?
2. ### Physics

A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?
3. ### Physics

You swing a 5.9 kg bucket of water in a vertical circle of radius 0.3 m. (a) What speed must the bucket have if it is to complete the circle without spilling any water?
4. ### general physics

A window washer pulls herself upward using the bucket-pulley apparatus shown in the figure . The mass of the person plus the bucket is 63 kg. How hard must she pull downward to raise herself slowly at constant speed?
5. ### physics

A window washer uses the chair and pulley arrangement shonw in the figure to lift himself up the side of a building. The window washer's mass is 70 kg and the chair's mass is 10 kg. With what force must he pull down on the rope in …
6. ### Physics

A 59-kg housepainter stands on a 16-kg aluminum platform. The platform is attached to a rope that passes through an overhead pulley, which allows the painter to raise herself and the platform. (Ignore the mass of the pulley and any …
7. ### physics

A bucket ofwater has weight of 40N.A man lifts the bucket by applying an upward force of 20N,At the sawe time a child pulls the bucket along with a horizontal force of 10N,Calculate the resultant force on the bucket
8. ### physics

A bucket of water has a weight of 40N.a man lifts the bucket by applying an upward force of 20N.at the same time a child pulls the bucket along the ground with a horizontal force of 10N...calculate the resultant force on the bucket
9. ### PHYSICS

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?
10. ### Physics

A girl at a ropes course pulls herself upward using a cage and pulley system. There combined mass is 64 kg. A)Calculate the force she pulls down with to raise herself at constant speed. B)Calculate her acceleration if she increases …

More Similar Questions