B. Examples 1. A mountain clim ber is about to haul up a 50m length of hanging rope. How much work will it take if the rope weighs 0.634 N/m?

B. Examples 1. A mountain clim ber is about to haul up a 50m length of hanging rope. How much work will it take if the rope weighs 0.634 N/m? 2. A 5lb bucket is lifted from the ground into the air by p ulling in 20ft of rope, weighing 1.6 lbs, over a constant speed. The bucket contai ns 2 gallons of H2 0 (16lbs). How much work was spent lifting the H20, the bucket a nd the rope?