Drawing on Water

The motion of the pulley while drawing water from a well is _________ about is fixed axis

Raju while drawing water from a well with help of a fixed pulley found that he applied more force than the weight of bucket and water. Then,

A man is drawing water from a well with a bucket which leaks uniformly. The bucket when full weights 20 kg and when it arrives the top only half the water remains. The depth of the water is 20 m What is the work done ?

Draw the graph showing cooling of hot water with time.